Home / 16,521.40-24,806.70-6,679.90

Finding the Fourth Proportional to 16,521.40, 24,806.70 and 6,679.90

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Solution

The fourth proportional to 16,521.40, 24,806.70 and 6,679.90 is: 10,029.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,521.40 : 24,806.70 = 6,679.90 : x
  2. Step 2: Convert to fraction form
    16,521.40/24,806.70 = 6,679.90/x
  3. Step 3: Cross multiply
    16,521.40x = 24,806.70 × 6,679.90
  4. Step 4: Simplify right side
    16,521.40x = 165,706,148.01
  5. Step 5: Solve for x
    x = 165,706,148.01/16,521.40
  6. Step 6: Final answer
    x = 10,029.79

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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.