Home / 13,460.07-18,574.77-7,491.64

Finding the Fourth Proportional to 13,460.07, 18,574.77 and 7,491.64

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Solution

The fourth proportional to 13,460.07, 18,574.77 and 7,491.64 is: 10,338.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.07 : 18,574.77 = 7,491.64 : x
  2. Step 2: Convert to fraction form
    13,460.07/18,574.77 = 7,491.64/x
  3. Step 3: Cross multiply
    13,460.07x = 18,574.77 × 7,491.64
  4. Step 4: Simplify right side
    13,460.07x = 139,155,489.92
  5. Step 5: Solve for x
    x = 139,155,489.92/13,460.07
  6. Step 6: Final answer
    x = 10,338.39

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Half scale
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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.