Home / 13,436.42-20,262.14-13,251.74

Finding the Fourth Proportional to 13,436.42, 20,262.14 and 13,251.74

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Solution

The fourth proportional to 13,436.42, 20,262.14 and 13,251.74 is: 19,983.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436.42 : 20,262.14 = 13,251.74 : x
  2. Step 2: Convert to fraction form
    13,436.42/20,262.14 = 13,251.74/x
  3. Step 3: Cross multiply
    13,436.42x = 20,262.14 × 13,251.74
  4. Step 4: Simplify right side
    13,436.42x = 268,508,595.52
  5. Step 5: Solve for x
    x = 268,508,595.52/13,436.42
  6. Step 6: Final answer
    x = 19,983.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.