Home / 18,816-25,966.26-10,432.68

Finding the Fourth Proportional to 18,816, 25,966.26 and 10,432.68

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Solution

The fourth proportional to 18,816, 25,966.26 and 10,432.68 is: 14,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816 : 25,966.26 = 10,432.68 : x
  2. Step 2: Convert to fraction form
    18,816/25,966.26 = 10,432.68/x
  3. Step 3: Cross multiply
    18,816x = 25,966.26 × 10,432.68
  4. Step 4: Simplify right side
    18,816x = 270,897,681.38
  5. Step 5: Solve for x
    x = 270,897,681.38/18,816
  6. Step 6: Final answer
    x = 14,397.20

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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.