Home / 22,031.60-30,402.77-11,959.83

Finding the Fourth Proportional to 22,031.60, 30,402.77 and 11,959.83

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Solution

The fourth proportional to 22,031.60, 30,402.77 and 11,959.83 is: 16,504.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,031.60 : 30,402.77 = 11,959.83 : x
  2. Step 2: Convert to fraction form
    22,031.60/30,402.77 = 11,959.83/x
  3. Step 3: Cross multiply
    22,031.60x = 30,402.77 × 11,959.83
  4. Step 4: Simplify right side
    22,031.60x = 363,611,900.93
  5. Step 5: Solve for x
    x = 363,611,900.93/22,031.60
  6. Step 6: Final answer
    x = 16,504.11

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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.