Home / 12,486.29-17,233.02-7,179.98

Finding the Fourth Proportional to 12,486.29, 17,233.02 and 7,179.98

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Solution

The fourth proportional to 12,486.29, 17,233.02 and 7,179.98 is: 9,909.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,486.29 : 17,233.02 = 7,179.98 : x
  2. Step 2: Convert to fraction form
    12,486.29/17,233.02 = 7,179.98/x
  3. Step 3: Cross multiply
    12,486.29x = 17,233.02 × 7,179.98
  4. Step 4: Simplify right side
    12,486.29x = 123,732,652.77
  5. Step 5: Solve for x
    x = 123,732,652.77/12,486.29
  6. Step 6: Final answer
    x = 9,909.48

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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.