Home / 9,039.10-13,553.10-5,915.28

Finding the Fourth Proportional to 9,039.10, 13,553.10 and 5,915.28

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Solution

The fourth proportional to 9,039.10, 13,553.10 and 5,915.28 is: 8,869.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.10 : 13,553.10 = 5,915.28 : x
  2. Step 2: Convert to fraction form
    9,039.10/13,553.10 = 5,915.28/x
  3. Step 3: Cross multiply
    9,039.10x = 13,553.10 × 5,915.28
  4. Step 4: Simplify right side
    9,039.10x = 80,170,381.37
  5. Step 5: Solve for x
    x = 80,170,381.37/9,039.10
  6. Step 6: Final answer
    x = 8,869.29

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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.