Home / 20,385.54-30,594.92-10,527.71

Finding the Fourth Proportional to 20,385.54, 30,594.92 and 10,527.71

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Solution

The fourth proportional to 20,385.54, 30,594.92 and 10,527.71 is: 15,800.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,385.54 : 30,594.92 = 10,527.71 : x
  2. Step 2: Convert to fraction form
    20,385.54/30,594.92 = 10,527.71/x
  3. Step 3: Cross multiply
    20,385.54x = 30,594.92 × 10,527.71
  4. Step 4: Simplify right side
    20,385.54x = 322,094,239.62
  5. Step 5: Solve for x
    x = 322,094,239.62/20,385.54
  6. Step 6: Final answer
    x = 15,800.13

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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.