Home / 12,715.27-19,062.57-10,980.85

Finding the Fourth Proportional to 12,715.27, 19,062.57 and 10,980.85

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Solution

The fourth proportional to 12,715.27, 19,062.57 and 10,980.85 is: 16,462.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715.27 : 19,062.57 = 10,980.85 : x
  2. Step 2: Convert to fraction form
    12,715.27/19,062.57 = 10,980.85/x
  3. Step 3: Cross multiply
    12,715.27x = 19,062.57 × 10,980.85
  4. Step 4: Simplify right side
    12,715.27x = 209,323,221.78
  5. Step 5: Solve for x
    x = 209,323,221.78/12,715.27
  6. Step 6: Final answer
    x = 16,462.35

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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.