Home / 12,254.98-16,921.56-8,008.96

Finding the Fourth Proportional to 12,254.98, 16,921.56 and 8,008.96

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Solution

The fourth proportional to 12,254.98, 16,921.56 and 8,008.96 is: 11,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.98 : 16,921.56 = 8,008.96 : x
  2. Step 2: Convert to fraction form
    12,254.98/16,921.56 = 8,008.96/x
  3. Step 3: Cross multiply
    12,254.98x = 16,921.56 × 8,008.96
  4. Step 4: Simplify right side
    12,254.98x = 135,524,097.18
  5. Step 5: Solve for x
    x = 135,524,097.18/12,254.98
  6. Step 6: Final answer
    x = 11,058.70

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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.