Home / 14,778.81-22,162.56-6,344.55

Finding the Fourth Proportional to 14,778.81, 22,162.56 and 6,344.55

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Solution

The fourth proportional to 14,778.81, 22,162.56 and 6,344.55 is: 9,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778.81 : 22,162.56 = 6,344.55 : x
  2. Step 2: Convert to fraction form
    14,778.81/22,162.56 = 6,344.55/x
  3. Step 3: Cross multiply
    14,778.81x = 22,162.56 × 6,344.55
  4. Step 4: Simplify right side
    14,778.81x = 140,611,470.05
  5. Step 5: Solve for x
    x = 140,611,470.05/14,778.81
  6. Step 6: Final answer
    x = 9,514.40

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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.