Home / 10,764.60-14,854.66-6,288.76

Finding the Fourth Proportional to 10,764.60, 14,854.66 and 6,288.76

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Solution

The fourth proportional to 10,764.60, 14,854.66 and 6,288.76 is: 8,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,764.60 : 14,854.66 = 6,288.76 : x
  2. Step 2: Convert to fraction form
    10,764.60/14,854.66 = 6,288.76/x
  3. Step 3: Cross multiply
    10,764.60x = 14,854.66 × 6,288.76
  4. Step 4: Simplify right side
    10,764.60x = 93,417,391.62
  5. Step 5: Solve for x
    x = 93,417,391.62/10,764.60
  6. Step 6: Final answer
    x = 8,678.20

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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.