Home / 21,695.20-32,536.26-9,215.14

Finding the Fourth Proportional to 21,695.20, 32,536.26 and 9,215.14

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Solution

The fourth proportional to 21,695.20, 32,536.26 and 9,215.14 is: 13,819.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,695.20 : 32,536.26 = 9,215.14 : x
  2. Step 2: Convert to fraction form
    21,695.20/32,536.26 = 9,215.14/x
  3. Step 3: Cross multiply
    21,695.20x = 32,536.26 × 9,215.14
  4. Step 4: Simplify right side
    21,695.20x = 299,826,190.98
  5. Step 5: Solve for x
    x = 299,826,190.98/21,695.20
  6. Step 6: Final answer
    x = 13,819.93

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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.