Home / 12,715.30-19,072.95-11,793.70

Finding the Fourth Proportional to 12,715.30, 19,072.95 and 11,793.70

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Solution

The fourth proportional to 12,715.30, 19,072.95 and 11,793.70 is: 17,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715.30 : 19,072.95 = 11,793.70 : x
  2. Step 2: Convert to fraction form
    12,715.30/19,072.95 = 11,793.70/x
  3. Step 3: Cross multiply
    12,715.30x = 19,072.95 × 11,793.70
  4. Step 4: Simplify right side
    12,715.30x = 224,940,650.42
  5. Step 5: Solve for x
    x = 224,940,650.42/12,715.30
  6. Step 6: Final answer
    x = 17,690.55

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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.