Home / 14,909.12-20,574.96-8,194.91

Finding the Fourth Proportional to 14,909.12, 20,574.96 and 8,194.91

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Solution

The fourth proportional to 14,909.12, 20,574.96 and 8,194.91 is: 11,309.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.12 : 20,574.96 = 8,194.91 : x
  2. Step 2: Convert to fraction form
    14,909.12/20,574.96 = 8,194.91/x
  3. Step 3: Cross multiply
    14,909.12x = 20,574.96 × 8,194.91
  4. Step 4: Simplify right side
    14,909.12x = 168,609,945.45
  5. Step 5: Solve for x
    x = 168,609,945.45/14,909.12
  6. Step 6: Final answer
    x = 11,309.18

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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.