Home / 21,484.76-32,236.68-8,338.14

Finding the Fourth Proportional to 21,484.76, 32,236.68 and 8,338.14

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Solution

The fourth proportional to 21,484.76, 32,236.68 and 8,338.14 is: 12,510.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484.76 : 32,236.68 = 8,338.14 : x
  2. Step 2: Convert to fraction form
    21,484.76/32,236.68 = 8,338.14/x
  3. Step 3: Cross multiply
    21,484.76x = 32,236.68 × 8,338.14
  4. Step 4: Simplify right side
    21,484.76x = 268,793,950.98
  5. Step 5: Solve for x
    x = 268,793,950.98/21,484.76
  6. Step 6: Final answer
    x = 12,510.92

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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.