Home / 18,864.24-28,308.24-10,549.70

Finding the Fourth Proportional to 18,864.24, 28,308.24 and 10,549.70

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Solution

The fourth proportional to 18,864.24, 28,308.24 and 10,549.70 is: 15,831.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.24 : 28,308.24 = 10,549.70 : x
  2. Step 2: Convert to fraction form
    18,864.24/28,308.24 = 10,549.70/x
  3. Step 3: Cross multiply
    18,864.24x = 28,308.24 × 10,549.70
  4. Step 4: Simplify right side
    18,864.24x = 298,643,439.53
  5. Step 5: Solve for x
    x = 298,643,439.53/18,864.24
  6. Step 6: Final answer
    x = 15,831.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.