Home / 16,081.40-24,129.30-7,311.80

Finding the Fourth Proportional to 16,081.40, 24,129.30 and 7,311.80

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Solution

The fourth proportional to 16,081.40, 24,129.30 and 7,311.80 is: 10,970.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,081.40 : 24,129.30 = 7,311.80 : x
  2. Step 2: Convert to fraction form
    16,081.40/24,129.30 = 7,311.80/x
  3. Step 3: Cross multiply
    16,081.40x = 24,129.30 × 7,311.80
  4. Step 4: Simplify right side
    16,081.40x = 176,428,615.74
  5. Step 5: Solve for x
    x = 176,428,615.74/16,081.40
  6. Step 6: Final answer
    x = 10,970.97

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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.