Home / 20,196.59-30,296.12-8,510.72

Finding the Fourth Proportional to 20,196.59, 30,296.12 and 8,510.72

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Solution

The fourth proportional to 20,196.59, 30,296.12 and 8,510.72 is: 12,766.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.59 : 30,296.12 = 8,510.72 : x
  2. Step 2: Convert to fraction form
    20,196.59/30,296.12 = 8,510.72/x
  3. Step 3: Cross multiply
    20,196.59x = 30,296.12 × 8,510.72
  4. Step 4: Simplify right side
    20,196.59x = 257,841,600.37
  5. Step 5: Solve for x
    x = 257,841,600.37/20,196.59
  6. Step 6: Final answer
    x = 12,766.59

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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.