Home / 14,827.20-22,247.28-7,900

Finding the Fourth Proportional to 14,827.20, 22,247.28 and 7,900

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Solution

The fourth proportional to 14,827.20, 22,247.28 and 7,900 is: 11,853.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,827.20 : 22,247.28 = 7,900 : x
  2. Step 2: Convert to fraction form
    14,827.20/22,247.28 = 7,900/x
  3. Step 3: Cross multiply
    14,827.20x = 22,247.28 × 7,900
  4. Step 4: Simplify right side
    14,827.20x = 175,753,512
  5. Step 5: Solve for x
    x = 175,753,512/14,827.20
  6. Step 6: Final answer
    x = 11,853.45

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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.