Home / 19,729.20-29,605.02-7,247.62

Finding the Fourth Proportional to 19,729.20, 29,605.02 and 7,247.62

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Solution

The fourth proportional to 19,729.20, 29,605.02 and 7,247.62 is: 10,875.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729.20 : 29,605.02 = 7,247.62 : x
  2. Step 2: Convert to fraction form
    19,729.20/29,605.02 = 7,247.62/x
  3. Step 3: Cross multiply
    19,729.20x = 29,605.02 × 7,247.62
  4. Step 4: Simplify right side
    19,729.20x = 214,565,935.05
  5. Step 5: Solve for x
    x = 214,565,935.05/19,729.20
  6. Step 6: Final answer
    x = 10,875.55

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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.