Home / 20,923.52-31,389.60-6,132.92

Finding the Fourth Proportional to 20,923.52, 31,389.60 and 6,132.92

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Solution

The fourth proportional to 20,923.52, 31,389.60 and 6,132.92 is: 9,200.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,923.52 : 31,389.60 = 6,132.92 : x
  2. Step 2: Convert to fraction form
    20,923.52/31,389.60 = 6,132.92/x
  3. Step 3: Cross multiply
    20,923.52x = 31,389.60 × 6,132.92
  4. Step 4: Simplify right side
    20,923.52x = 192,509,905.63
  5. Step 5: Solve for x
    x = 192,509,905.63/20,923.52
  6. Step 6: Final answer
    x = 9,200.65

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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.