Home / 21,546.34-32,319.41-8,398.76

Finding the Fourth Proportional to 21,546.34, 32,319.41 and 8,398.76

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Solution

The fourth proportional to 21,546.34, 32,319.41 and 8,398.76 is: 12,598.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546.34 : 32,319.41 = 8,398.76 : x
  2. Step 2: Convert to fraction form
    21,546.34/32,319.41 = 8,398.76/x
  3. Step 3: Cross multiply
    21,546.34x = 32,319.41 × 8,398.76
  4. Step 4: Simplify right side
    21,546.34x = 271,442,764.34
  5. Step 5: Solve for x
    x = 271,442,764.34/21,546.34
  6. Step 6: Final answer
    x = 12,598.09

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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.