Home / 11,687.24-16,123.08-6,903.92

Finding the Fourth Proportional to 11,687.24, 16,123.08 and 6,903.92

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Solution

The fourth proportional to 11,687.24, 16,123.08 and 6,903.92 is: 9,524.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687.24 : 16,123.08 = 6,903.92 : x
  2. Step 2: Convert to fraction form
    11,687.24/16,123.08 = 6,903.92/x
  3. Step 3: Cross multiply
    11,687.24x = 16,123.08 × 6,903.92
  4. Step 4: Simplify right side
    11,687.24x = 111,312,454.47
  5. Step 5: Solve for x
    x = 111,312,454.47/11,687.24
  6. Step 6: Final answer
    x = 9,524.27

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Double scale
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1.5x scale

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.