Home / 14,909.30-20,574.84-8,194.87

Finding the Fourth Proportional to 14,909.30, 20,574.84 and 8,194.87

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Solution

The fourth proportional to 14,909.30, 20,574.84 and 8,194.87 is: 11,308.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.30 : 20,574.84 = 8,194.87 : x
  2. Step 2: Convert to fraction form
    14,909.30/20,574.84 = 8,194.87/x
  3. Step 3: Cross multiply
    14,909.30x = 20,574.84 × 8,194.87
  4. Step 4: Simplify right side
    14,909.30x = 168,608,139.07
  5. Step 5: Solve for x
    x = 168,608,139.07/14,909.30
  6. Step 6: Final answer
    x = 11,308.92

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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.