Home / 22,031.68-30,402.90-11,959.91

Finding the Fourth Proportional to 22,031.68, 30,402.90 and 11,959.91

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Solution

The fourth proportional to 22,031.68, 30,402.90 and 11,959.91 is: 16,504.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,031.68 : 30,402.90 = 11,959.91 : x
  2. Step 2: Convert to fraction form
    22,031.68/30,402.90 = 11,959.91/x
  3. Step 3: Cross multiply
    22,031.68x = 30,402.90 × 11,959.91
  4. Step 4: Simplify right side
    22,031.68x = 363,615,947.74
  5. Step 5: Solve for x
    x = 363,615,947.74/22,031.68
  6. Step 6: Final answer
    x = 16,504.23

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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.