Home / 20,463.46-30,689.04-13,443.19

Finding the Fourth Proportional to 20,463.46, 30,689.04 and 13,443.19

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Solution

The fourth proportional to 20,463.46, 30,689.04 and 13,443.19 is: 20,160.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,463.46 : 30,689.04 = 13,443.19 : x
  2. Step 2: Convert to fraction form
    20,463.46/30,689.04 = 13,443.19/x
  3. Step 3: Cross multiply
    20,463.46x = 30,689.04 × 13,443.19
  4. Step 4: Simplify right side
    20,463.46x = 412,558,595.64
  5. Step 5: Solve for x
    x = 412,558,595.64/20,463.46
  6. Step 6: Final answer
    x = 20,160.74

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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.