Home / 10,371.58-15,560.45-4,128.04

Finding the Fourth Proportional to 10,371.58, 15,560.45 and 4,128.04

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Solution

The fourth proportional to 10,371.58, 15,560.45 and 4,128.04 is: 6,193.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.58 : 15,560.45 = 4,128.04 : x
  2. Step 2: Convert to fraction form
    10,371.58/15,560.45 = 4,128.04/x
  3. Step 3: Cross multiply
    10,371.58x = 15,560.45 × 4,128.04
  4. Step 4: Simplify right side
    10,371.58x = 64,234,160.02
  5. Step 5: Solve for x
    x = 64,234,160.02/10,371.58
  6. Step 6: Final answer
    x = 6,193.29

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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.