Home / 13,287.14-18,316.20-10,925.18

Finding the Fourth Proportional to 13,287.14, 18,316.20 and 10,925.18

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Solution

The fourth proportional to 13,287.14, 18,316.20 and 10,925.18 is: 15,060.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287.14 : 18,316.20 = 10,925.18 : x
  2. Step 2: Convert to fraction form
    13,287.14/18,316.20 = 10,925.18/x
  3. Step 3: Cross multiply
    13,287.14x = 18,316.20 × 10,925.18
  4. Step 4: Simplify right side
    13,287.14x = 200,107,781.92
  5. Step 5: Solve for x
    x = 200,107,781.92/13,287.14
  6. Step 6: Final answer
    x = 15,060.26

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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.