Home / 13,387.16-18,465.62-10,550.13

Finding the Fourth Proportional to 13,387.16, 18,465.62 and 10,550.13

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Solution

The fourth proportional to 13,387.16, 18,465.62 and 10,550.13 is: 14,552.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387.16 : 18,465.62 = 10,550.13 : x
  2. Step 2: Convert to fraction form
    13,387.16/18,465.62 = 10,550.13/x
  3. Step 3: Cross multiply
    13,387.16x = 18,465.62 × 10,550.13
  4. Step 4: Simplify right side
    13,387.16x = 194,814,638.78
  5. Step 5: Solve for x
    x = 194,814,638.78/13,387.16
  6. Step 6: Final answer
    x = 14,552.36

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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.