Home / 14,615.13-21,917.28-5,252.62

Finding the Fourth Proportional to 14,615.13, 21,917.28 and 5,252.62

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Solution

The fourth proportional to 14,615.13, 21,917.28 and 5,252.62 is: 7,876.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.13 : 21,917.28 = 5,252.62 : x
  2. Step 2: Convert to fraction form
    14,615.13/21,917.28 = 5,252.62/x
  3. Step 3: Cross multiply
    14,615.13x = 21,917.28 × 5,252.62
  4. Step 4: Simplify right side
    14,615.13x = 115,123,184.94
  5. Step 5: Solve for x
    x = 115,123,184.94/14,615.13
  6. Step 6: Final answer
    x = 7,876.99

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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.