Home / 14,909.20-20,574.71-8,194.83

Finding the Fourth Proportional to 14,909.20, 20,574.71 and 8,194.83

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Solution

The fourth proportional to 14,909.20, 20,574.71 and 8,194.83 is: 11,308.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.20 : 20,574.71 = 8,194.83 : x
  2. Step 2: Convert to fraction form
    14,909.20/20,574.71 = 8,194.83/x
  3. Step 3: Cross multiply
    14,909.20x = 20,574.71 × 8,194.83
  4. Step 4: Simplify right side
    14,909.20x = 168,606,250.75
  5. Step 5: Solve for x
    x = 168,606,250.75/14,909.20
  6. Step 6: Final answer
    x = 11,308.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.