Home / 13,291.27-18,341.52-7,322.92

Finding the Fourth Proportional to 13,291.27, 18,341.52 and 7,322.92

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Solution

The fourth proportional to 13,291.27, 18,341.52 and 7,322.92 is: 10,105.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291.27 : 18,341.52 = 7,322.92 : x
  2. Step 2: Convert to fraction form
    13,291.27/18,341.52 = 7,322.92/x
  3. Step 3: Cross multiply
    13,291.27x = 18,341.52 × 7,322.92
  4. Step 4: Simplify right side
    13,291.27x = 134,313,483.64
  5. Step 5: Solve for x
    x = 134,313,483.64/13,291.27
  6. Step 6: Final answer
    x = 10,105.39

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Half scale
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Double scale
Find fourth proportional to 13,292.27, 18,342.90 and 7,323.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.