Home / 16,140.20-24,165.39-8,225.65

Finding the Fourth Proportional to 16,140.20, 24,165.39 and 8,225.65

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Solution

The fourth proportional to 16,140.20, 24,165.39 and 8,225.65 is: 12,315.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,140.20 : 24,165.39 = 8,225.65 : x
  2. Step 2: Convert to fraction form
    16,140.20/24,165.39 = 8,225.65/x
  3. Step 3: Cross multiply
    16,140.20x = 24,165.39 × 8,225.65
  4. Step 4: Simplify right side
    16,140.20x = 198,776,040.25
  5. Step 5: Solve for x
    x = 198,776,040.25/16,140.20
  6. Step 6: Final answer
    x = 12,315.59

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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.