Home / 10,128.24-15,193.88-4,581.46

Finding the Fourth Proportional to 10,128.24, 15,193.88 and 4,581.46

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Solution

The fourth proportional to 10,128.24, 15,193.88 and 4,581.46 is: 6,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,128.24 : 15,193.88 = 4,581.46 : x
  2. Step 2: Convert to fraction form
    10,128.24/15,193.88 = 4,581.46/x
  3. Step 3: Cross multiply
    10,128.24x = 15,193.88 × 4,581.46
  4. Step 4: Simplify right side
    10,128.24x = 69,610,166.73
  5. Step 5: Solve for x
    x = 69,610,166.73/10,128.24
  6. Step 6: Final answer
    x = 6,872.88

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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.