Home / 19,711.85-29,561.42-6,560.69

Finding the Fourth Proportional to 19,711.85, 29,561.42 and 6,560.69

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Solution

The fourth proportional to 19,711.85, 29,561.42 and 6,560.69 is: 9,838.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.85 : 29,561.42 = 6,560.69 : x
  2. Step 2: Convert to fraction form
    19,711.85/29,561.42 = 6,560.69/x
  3. Step 3: Cross multiply
    19,711.85x = 29,561.42 × 6,560.69
  4. Step 4: Simplify right side
    19,711.85x = 193,943,181.17
  5. Step 5: Solve for x
    x = 193,943,181.17/19,711.85
  6. Step 6: Final answer
    x = 9,838.92

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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.