Home / 12,354.06-17,045.94-7,319.85

Finding the Fourth Proportional to 12,354.06, 17,045.94 and 7,319.85

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Solution

The fourth proportional to 12,354.06, 17,045.94 and 7,319.85 is: 10,099.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354.06 : 17,045.94 = 7,319.85 : x
  2. Step 2: Convert to fraction form
    12,354.06/17,045.94 = 7,319.85/x
  3. Step 3: Cross multiply
    12,354.06x = 17,045.94 × 7,319.85
  4. Step 4: Simplify right side
    12,354.06x = 124,773,723.91
  5. Step 5: Solve for x
    x = 124,773,723.91/12,354.06
  6. Step 6: Final answer
    x = 10,099.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.