Home / 16,100.20-24,150.30-9,879.40

Finding the Fourth Proportional to 16,100.20, 24,150.30 and 9,879.40

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Solution

The fourth proportional to 16,100.20, 24,150.30 and 9,879.40 is: 14,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,100.20 : 24,150.30 = 9,879.40 : x
  2. Step 2: Convert to fraction form
    16,100.20/24,150.30 = 9,879.40/x
  3. Step 3: Cross multiply
    16,100.20x = 24,150.30 × 9,879.40
  4. Step 4: Simplify right side
    16,100.20x = 238,590,473.82
  5. Step 5: Solve for x
    x = 238,590,473.82/16,100.20
  6. Step 6: Final answer
    x = 14,819.10

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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.