Home / 10,385.92-15,576.36-3,459.52

Finding the Fourth Proportional to 10,385.92, 15,576.36 and 3,459.52

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Solution

The fourth proportional to 10,385.92, 15,576.36 and 3,459.52 is: 5,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.92 : 15,576.36 = 3,459.52 : x
  2. Step 2: Convert to fraction form
    10,385.92/15,576.36 = 3,459.52/x
  3. Step 3: Cross multiply
    10,385.92x = 15,576.36 × 3,459.52
  4. Step 4: Simplify right side
    10,385.92x = 53,886,728.95
  5. Step 5: Solve for x
    x = 53,886,728.95/10,385.92
  6. Step 6: Final answer
    x = 5,188.44

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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.