Home / 21,695.22-32,536.26-9,215.13

Finding the Fourth Proportional to 21,695.22, 32,536.26 and 9,215.13

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Solution

The fourth proportional to 21,695.22, 32,536.26 and 9,215.13 is: 13,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,695.22 : 32,536.26 = 9,215.13 : x
  2. Step 2: Convert to fraction form
    21,695.22/32,536.26 = 9,215.13/x
  3. Step 3: Cross multiply
    21,695.22x = 32,536.26 × 9,215.13
  4. Step 4: Simplify right side
    21,695.22x = 299,825,865.61
  5. Step 5: Solve for x
    x = 299,825,865.61/21,695.22
  6. Step 6: Final answer
    x = 13,819.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.