Home / 15,520.48-23,281.44-6,162.40

Finding the Fourth Proportional to 15,520.48, 23,281.44 and 6,162.40

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Solution

The fourth proportional to 15,520.48, 23,281.44 and 6,162.40 is: 9,243.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520.48 : 23,281.44 = 6,162.40 : x
  2. Step 2: Convert to fraction form
    15,520.48/23,281.44 = 6,162.40/x
  3. Step 3: Cross multiply
    15,520.48x = 23,281.44 × 6,162.40
  4. Step 4: Simplify right side
    15,520.48x = 143,469,545.86
  5. Step 5: Solve for x
    x = 143,469,545.86/15,520.48
  6. Step 6: Final answer
    x = 9,243.89

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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.