Home / 21,472.14-32,217.80-8,325.54

Finding the Fourth Proportional to 21,472.14, 32,217.80 and 8,325.54

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Solution

The fourth proportional to 21,472.14, 32,217.80 and 8,325.54 is: 12,492.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,472.14 : 32,217.80 = 8,325.54 : x
  2. Step 2: Convert to fraction form
    21,472.14/32,217.80 = 8,325.54/x
  3. Step 3: Cross multiply
    21,472.14x = 32,217.80 × 8,325.54
  4. Step 4: Simplify right side
    21,472.14x = 268,230,582.61
  5. Step 5: Solve for x
    x = 268,230,582.61/21,472.14
  6. Step 6: Final answer
    x = 12,492.03

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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.