Home / 12,997.98-17,937.22-7,029.66

Finding the Fourth Proportional to 12,997.98, 17,937.22 and 7,029.66

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Solution

The fourth proportional to 12,997.98, 17,937.22 and 7,029.66 is: 9,700.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997.98 : 17,937.22 = 7,029.66 : x
  2. Step 2: Convert to fraction form
    12,997.98/17,937.22 = 7,029.66/x
  3. Step 3: Cross multiply
    12,997.98x = 17,937.22 × 7,029.66
  4. Step 4: Simplify right side
    12,997.98x = 126,092,557.95
  5. Step 5: Solve for x
    x = 126,092,557.95/12,997.98
  6. Step 6: Final answer
    x = 9,700.93

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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.