Home / 12,700.32-19,043.52-3,932.80

Finding the Fourth Proportional to 12,700.32, 19,043.52 and 3,932.80

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Solution

The fourth proportional to 12,700.32, 19,043.52 and 3,932.80 is: 5,897.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,700.32 : 19,043.52 = 3,932.80 : x
  2. Step 2: Convert to fraction form
    12,700.32/19,043.52 = 3,932.80/x
  3. Step 3: Cross multiply
    12,700.32x = 19,043.52 × 3,932.80
  4. Step 4: Simplify right side
    12,700.32x = 74,894,355.46
  5. Step 5: Solve for x
    x = 74,894,355.46/12,700.32
  6. Step 6: Final answer
    x = 5,897.04

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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.