Home / 16,115.40-24,180.30-7,345.80

Finding the Fourth Proportional to 16,115.40, 24,180.30 and 7,345.80

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Solution

The fourth proportional to 16,115.40, 24,180.30 and 7,345.80 is: 11,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,115.40 : 24,180.30 = 7,345.80 : x
  2. Step 2: Convert to fraction form
    16,115.40/24,180.30 = 7,345.80/x
  3. Step 3: Cross multiply
    16,115.40x = 24,180.30 × 7,345.80
  4. Step 4: Simplify right side
    16,115.40x = 177,623,647.74
  5. Step 5: Solve for x
    x = 177,623,647.74/16,115.40
  6. Step 6: Final answer
    x = 11,021.98

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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.