Home / 20,277.60-30,422.91-9,748.38

Finding the Fourth Proportional to 20,277.60, 30,422.91 and 9,748.38

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Solution

The fourth proportional to 20,277.60, 30,422.91 and 9,748.38 is: 14,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,277.60 : 30,422.91 = 9,748.38 : x
  2. Step 2: Convert to fraction form
    20,277.60/30,422.91 = 9,748.38/x
  3. Step 3: Cross multiply
    20,277.60x = 30,422.91 × 9,748.38
  4. Step 4: Simplify right side
    20,277.60x = 296,574,087.39
  5. Step 5: Solve for x
    x = 296,574,087.39/20,277.60
  6. Step 6: Final answer
    x = 14,625.70

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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.