Home / 21,031.22-29,022.35-11,599.71

Finding the Fourth Proportional to 21,031.22, 29,022.35 and 11,599.71

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Solution

The fourth proportional to 21,031.22, 29,022.35 and 11,599.71 is: 16,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,031.22 : 29,022.35 = 11,599.71 : x
  2. Step 2: Convert to fraction form
    21,031.22/29,022.35 = 11,599.71/x
  3. Step 3: Cross multiply
    21,031.22x = 29,022.35 × 11,599.71
  4. Step 4: Simplify right side
    21,031.22x = 336,650,785.52
  5. Step 5: Solve for x
    x = 336,650,785.52/21,031.22
  6. Step 6: Final answer
    x = 16,007.20

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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.