Home / 13,510.38-20,265.65-4,276.38

Finding the Fourth Proportional to 13,510.38, 20,265.65 and 4,276.38

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Solution

The fourth proportional to 13,510.38, 20,265.65 and 4,276.38 is: 6,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510.38 : 20,265.65 = 4,276.38 : x
  2. Step 2: Convert to fraction form
    13,510.38/20,265.65 = 4,276.38/x
  3. Step 3: Cross multiply
    13,510.38x = 20,265.65 × 4,276.38
  4. Step 4: Simplify right side
    13,510.38x = 86,663,620.35
  5. Step 5: Solve for x
    x = 86,663,620.35/13,510.38
  6. Step 6: Final answer
    x = 6,414.60

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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.