Home / 10,239.82-15,356.70-4,395.04

Finding the Fourth Proportional to 10,239.82, 15,356.70 and 4,395.04

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Solution

The fourth proportional to 10,239.82, 15,356.70 and 4,395.04 is: 6,591.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.82 : 15,356.70 = 4,395.04 : x
  2. Step 2: Convert to fraction form
    10,239.82/15,356.70 = 4,395.04/x
  3. Step 3: Cross multiply
    10,239.82x = 15,356.70 × 4,395.04
  4. Step 4: Simplify right side
    10,239.82x = 67,493,310.77
  5. Step 5: Solve for x
    x = 67,493,310.77/10,239.82
  6. Step 6: Final answer
    x = 6,591.26

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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.