Home / 10,815.82-14,926.87-6,565.90

Finding the Fourth Proportional to 10,815.82, 14,926.87 and 6,565.90

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Solution

The fourth proportional to 10,815.82, 14,926.87 and 6,565.90 is: 9,061.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.82 : 14,926.87 = 6,565.90 : x
  2. Step 2: Convert to fraction form
    10,815.82/14,926.87 = 6,565.90/x
  3. Step 3: Cross multiply
    10,815.82x = 14,926.87 × 6,565.90
  4. Step 4: Simplify right side
    10,815.82x = 98,008,335.73
  5. Step 5: Solve for x
    x = 98,008,335.73/10,815.82
  6. Step 6: Final answer
    x = 9,061.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.