Home / 13,073.51-18,041.39-7,105.19

Finding the Fourth Proportional to 13,073.51, 18,041.39 and 7,105.19

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Solution

The fourth proportional to 13,073.51, 18,041.39 and 7,105.19 is: 9,805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.51 : 18,041.39 = 7,105.19 : x
  2. Step 2: Convert to fraction form
    13,073.51/18,041.39 = 7,105.19/x
  3. Step 3: Cross multiply
    13,073.51x = 18,041.39 × 7,105.19
  4. Step 4: Simplify right side
    13,073.51x = 128,187,468.29
  5. Step 5: Solve for x
    x = 128,187,468.29/13,073.51
  6. Step 6: Final answer
    x = 9,805.13

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Half scale
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Double 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.