Home / 19,930.17-29,884.86-7,439.92

Finding the Fourth Proportional to 19,930.17, 29,884.86 and 7,439.92

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Solution

The fourth proportional to 19,930.17, 29,884.86 and 7,439.92 is: 11,156.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930.17 : 29,884.86 = 7,439.92 : x
  2. Step 2: Convert to fraction form
    19,930.17/29,884.86 = 7,439.92/x
  3. Step 3: Cross multiply
    19,930.17x = 29,884.86 × 7,439.92
  4. Step 4: Simplify right side
    19,930.17x = 222,340,911.50
  5. Step 5: Solve for x
    x = 222,340,911.50/19,930.17
  6. Step 6: Final answer
    x = 11,156.00

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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.