Home / 19,411.10-29,091.45-9,000.70

Finding the Fourth Proportional to 19,411.10, 29,091.45 and 9,000.70

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Solution

The fourth proportional to 19,411.10, 29,091.45 and 9,000.70 is: 13,489.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.10 : 29,091.45 = 9,000.70 : x
  2. Step 2: Convert to fraction form
    19,411.10/29,091.45 = 9,000.70/x
  3. Step 3: Cross multiply
    19,411.10x = 29,091.45 × 9,000.70
  4. Step 4: Simplify right side
    19,411.10x = 261,843,414.02
  5. Step 5: Solve for x
    x = 261,843,414.02/19,411.10
  6. Step 6: Final answer
    x = 13,489.37

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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.