Home / 18,951.66-28,452.08-14,572.18

Finding the Fourth Proportional to 18,951.66, 28,452.08 and 14,572.18

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Solution

The fourth proportional to 18,951.66, 28,452.08 and 14,572.18 is: 21,877.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,951.66 : 28,452.08 = 14,572.18 : x
  2. Step 2: Convert to fraction form
    18,951.66/28,452.08 = 14,572.18/x
  3. Step 3: Cross multiply
    18,951.66x = 28,452.08 × 14,572.18
  4. Step 4: Simplify right side
    18,951.66x = 414,608,831.13
  5. Step 5: Solve for x
    x = 414,608,831.13/18,951.66
  6. Step 6: Final answer
    x = 21,877.18

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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.