Home / 10,815.69-14,926.70-6,565.77

Finding the Fourth Proportional to 10,815.69, 14,926.70 and 6,565.77

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Solution

The fourth proportional to 10,815.69, 14,926.70 and 6,565.77 is: 9,061.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.69 : 14,926.70 = 6,565.77 : x
  2. Step 2: Convert to fraction form
    10,815.69/14,926.70 = 6,565.77/x
  3. Step 3: Cross multiply
    10,815.69x = 14,926.70 × 6,565.77
  4. Step 4: Simplify right side
    10,815.69x = 98,005,295.47
  5. Step 5: Solve for x
    x = 98,005,295.47/10,815.69
  6. Step 6: Final answer
    x = 9,061.40

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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.