Home / 12,510.24-18,766.44-4,719.12

Finding the Fourth Proportional to 12,510.24, 18,766.44 and 4,719.12

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Solution

The fourth proportional to 12,510.24, 18,766.44 and 4,719.12 is: 7,079.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510.24 : 18,766.44 = 4,719.12 : x
  2. Step 2: Convert to fraction form
    12,510.24/18,766.44 = 4,719.12/x
  3. Step 3: Cross multiply
    12,510.24x = 18,766.44 × 4,719.12
  4. Step 4: Simplify right side
    12,510.24x = 88,561,082.33
  5. Step 5: Solve for x
    x = 88,561,082.33/12,510.24
  6. Step 6: Final answer
    x = 7,079.09

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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.