Home / 20,194.86-30,275.28-9,658.92

Finding the Fourth Proportional to 20,194.86, 30,275.28 and 9,658.92

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Solution

The fourth proportional to 20,194.86, 30,275.28 and 9,658.92 is: 14,480.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.86 : 30,275.28 = 9,658.92 : x
  2. Step 2: Convert to fraction form
    20,194.86/30,275.28 = 9,658.92/x
  3. Step 3: Cross multiply
    20,194.86x = 30,275.28 × 9,658.92
  4. Step 4: Simplify right side
    20,194.86x = 292,426,507.50
  5. Step 5: Solve for x
    x = 292,426,507.50/20,194.86
  6. Step 6: Final answer
    x = 14,480.24

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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.