Home / 10,349.28-14,281.20-5,872

Finding the Fourth Proportional to 10,349.28, 14,281.20 and 5,872

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Solution

The fourth proportional to 10,349.28, 14,281.20 and 5,872 is: 8,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,349.28 : 14,281.20 = 5,872 : x
  2. Step 2: Convert to fraction form
    10,349.28/14,281.20 = 5,872/x
  3. Step 3: Cross multiply
    10,349.28x = 14,281.20 × 5,872
  4. Step 4: Simplify right side
    10,349.28x = 83,859,206.40
  5. Step 5: Solve for x
    x = 83,859,206.40/10,349.28
  6. Step 6: Final answer
    x = 8,102.90

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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.