Home / 10,554.62-15,839.01-5,627.66

Finding the Fourth Proportional to 10,554.62, 15,839.01 and 5,627.66

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Solution

The fourth proportional to 10,554.62, 15,839.01 and 5,627.66 is: 8,445.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.62 : 15,839.01 = 5,627.66 : x
  2. Step 2: Convert to fraction form
    10,554.62/15,839.01 = 5,627.66/x
  3. Step 3: Cross multiply
    10,554.62x = 15,839.01 × 5,627.66
  4. Step 4: Simplify right side
    10,554.62x = 89,136,483.82
  5. Step 5: Solve for x
    x = 89,136,483.82/10,554.62
  6. Step 6: Final answer
    x = 8,445.26

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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.