Home / 10,099.90-15,149.85-4,546.76

Finding the Fourth Proportional to 10,099.90, 15,149.85 and 4,546.76

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Solution

The fourth proportional to 10,099.90, 15,149.85 and 4,546.76 is: 6,820.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099.90 : 15,149.85 = 4,546.76 : x
  2. Step 2: Convert to fraction form
    10,099.90/15,149.85 = 4,546.76/x
  3. Step 3: Cross multiply
    10,099.90x = 15,149.85 × 4,546.76
  4. Step 4: Simplify right side
    10,099.90x = 68,882,656.24
  5. Step 5: Solve for x
    x = 68,882,656.24/10,099.90
  6. Step 6: Final answer
    x = 6,820.13

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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.