Home / 21,503.73-32,243.30-8,340.74

Finding the Fourth Proportional to 21,503.73, 32,243.30 and 8,340.74

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Solution

The fourth proportional to 21,503.73, 32,243.30 and 8,340.74 is: 12,506.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,503.73 : 32,243.30 = 8,340.74 : x
  2. Step 2: Convert to fraction form
    21,503.73/32,243.30 = 8,340.74/x
  3. Step 3: Cross multiply
    21,503.73x = 32,243.30 × 8,340.74
  4. Step 4: Simplify right side
    21,503.73x = 268,932,982.04
  5. Step 5: Solve for x
    x = 268,932,982.04/21,503.73
  6. Step 6: Final answer
    x = 12,506.34

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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.