Home / 19,609.50-29,397.70-8,507.82

Finding the Fourth Proportional to 19,609.50, 29,397.70 and 8,507.82

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Solution

The fourth proportional to 19,609.50, 29,397.70 and 8,507.82 is: 12,754.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,609.50 : 29,397.70 = 8,507.82 : x
  2. Step 2: Convert to fraction form
    19,609.50/29,397.70 = 8,507.82/x
  3. Step 3: Cross multiply
    19,609.50x = 29,397.70 × 8,507.82
  4. Step 4: Simplify right side
    19,609.50x = 250,110,340.01
  5. Step 5: Solve for x
    x = 250,110,340.01/19,609.50
  6. Step 6: Final answer
    x = 12,754.55

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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.