Home / 16,587.40-24,861.90-6,721.80

Finding the Fourth Proportional to 16,587.40, 24,861.90 and 6,721.80

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Solution

The fourth proportional to 16,587.40, 24,861.90 and 6,721.80 is: 10,074.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,587.40 : 24,861.90 = 6,721.80 : x
  2. Step 2: Convert to fraction form
    16,587.40/24,861.90 = 6,721.80/x
  3. Step 3: Cross multiply
    16,587.40x = 24,861.90 × 6,721.80
  4. Step 4: Simplify right side
    16,587.40x = 167,116,719.42
  5. Step 5: Solve for x
    x = 167,116,719.42/16,587.40
  6. Step 6: Final answer
    x = 10,074.92

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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.