Home / 15,988.25-22,070.98-11,731.79

Finding the Fourth Proportional to 15,988.25, 22,070.98 and 11,731.79

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Solution

The fourth proportional to 15,988.25, 22,070.98 and 11,731.79 is: 16,195.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988.25 : 22,070.98 = 11,731.79 : x
  2. Step 2: Convert to fraction form
    15,988.25/22,070.98 = 11,731.79/x
  3. Step 3: Cross multiply
    15,988.25x = 22,070.98 × 11,731.79
  4. Step 4: Simplify right side
    15,988.25x = 258,932,102.45
  5. Step 5: Solve for x
    x = 258,932,102.45/15,988.25
  6. Step 6: Final answer
    x = 16,195.15

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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.