Home / 19,332.72-28,951.56-9,440.10

Finding the Fourth Proportional to 19,332.72, 28,951.56 and 9,440.10

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Solution

The fourth proportional to 19,332.72, 28,951.56 and 9,440.10 is: 14,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.72 : 28,951.56 = 9,440.10 : x
  2. Step 2: Convert to fraction form
    19,332.72/28,951.56 = 9,440.10/x
  3. Step 3: Cross multiply
    19,332.72x = 28,951.56 × 9,440.10
  4. Step 4: Simplify right side
    19,332.72x = 273,305,621.56
  5. Step 5: Solve for x
    x = 273,305,621.56/19,332.72
  6. Step 6: Final answer
    x = 14,136.95

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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.