Home / 20,097.55-30,135.39-10,748.53

Finding the Fourth Proportional to 20,097.55, 30,135.39 and 10,748.53

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Solution

The fourth proportional to 20,097.55, 30,135.39 and 10,748.53 is: 16,116.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097.55 : 30,135.39 = 10,748.53 : x
  2. Step 2: Convert to fraction form
    20,097.55/30,135.39 = 10,748.53/x
  3. Step 3: Cross multiply
    20,097.55x = 30,135.39 × 10,748.53
  4. Step 4: Simplify right side
    20,097.55x = 323,911,143.48
  5. Step 5: Solve for x
    x = 323,911,143.48/20,097.55
  6. Step 6: Final answer
    x = 16,116.95

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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.