Home / 10,602.90-15,892.20-5,263.38

Finding the Fourth Proportional to 10,602.90, 15,892.20 and 5,263.38

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Solution

The fourth proportional to 10,602.90, 15,892.20 and 5,263.38 is: 7,889.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,602.90 : 15,892.20 = 5,263.38 : x
  2. Step 2: Convert to fraction form
    10,602.90/15,892.20 = 5,263.38/x
  3. Step 3: Cross multiply
    10,602.90x = 15,892.20 × 5,263.38
  4. Step 4: Simplify right side
    10,602.90x = 83,646,687.64
  5. Step 5: Solve for x
    x = 83,646,687.64/10,602.90
  6. Step 6: Final answer
    x = 7,889.04

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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.