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Finding the Fourth Proportional to 11,652.87, 17,472.58 and 7,959.58

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Solution

The fourth proportional to 11,652.87, 17,472.58 and 7,959.58 is: 11,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,652.87 : 17,472.58 = 7,959.58 : x
  2. Step 2: Convert to fraction form
    11,652.87/17,472.58 = 7,959.58/x
  3. Step 3: Cross multiply
    11,652.87x = 17,472.58 × 7,959.58
  4. Step 4: Simplify right side
    11,652.87x = 139,074,334.74
  5. Step 5: Solve for x
    x = 139,074,334.74/11,652.87
  6. Step 6: Final answer
    x = 11,934.77

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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.