Home / 10,099.20-15,132.26-6,581.10

Finding the Fourth Proportional to 10,099.20, 15,132.26 and 6,581.10

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Solution

The fourth proportional to 10,099.20, 15,132.26 and 6,581.10 is: 9,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099.20 : 15,132.26 = 6,581.10 : x
  2. Step 2: Convert to fraction form
    10,099.20/15,132.26 = 6,581.10/x
  3. Step 3: Cross multiply
    10,099.20x = 15,132.26 × 6,581.10
  4. Step 4: Simplify right side
    10,099.20x = 99,586,916.29
  5. Step 5: Solve for x
    x = 99,586,916.29/10,099.20
  6. Step 6: Final answer
    x = 9,860.87

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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.