Home / 11,242.50-16,864.57-4,317

Finding the Fourth Proportional to 11,242.50, 16,864.57 and 4,317

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Solution

The fourth proportional to 11,242.50, 16,864.57 and 4,317 is: 6,475.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.50 : 16,864.57 = 4,317 : x
  2. Step 2: Convert to fraction form
    11,242.50/16,864.57 = 4,317/x
  3. Step 3: Cross multiply
    11,242.50x = 16,864.57 × 4,317
  4. Step 4: Simplify right side
    11,242.50x = 72,804,337.90
  5. Step 5: Solve for x
    x = 72,804,337.90/11,242.50
  6. Step 6: Final answer
    x = 6,475.81

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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.