Home / 10,082.64-15,114.24-4,885.68

Finding the Fourth Proportional to 10,082.64, 15,114.24 and 4,885.68

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Solution

The fourth proportional to 10,082.64, 15,114.24 and 4,885.68 is: 7,323.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,082.64 : 15,114.24 = 4,885.68 : x
  2. Step 2: Convert to fraction form
    10,082.64/15,114.24 = 4,885.68/x
  3. Step 3: Cross multiply
    10,082.64x = 15,114.24 × 4,885.68
  4. Step 4: Simplify right side
    10,082.64x = 73,843,340.08
  5. Step 5: Solve for x
    x = 73,843,340.08/10,082.64
  6. Step 6: Final answer
    x = 7,323.81

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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.