Home / 20,167.79-30,253.13-5,376.63

Finding the Fourth Proportional to 20,167.79, 30,253.13 and 5,376.63

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Solution

The fourth proportional to 20,167.79, 30,253.13 and 5,376.63 is: 8,065.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,167.79 : 30,253.13 = 5,376.63 : x
  2. Step 2: Convert to fraction form
    20,167.79/30,253.13 = 5,376.63/x
  3. Step 3: Cross multiply
    20,167.79x = 30,253.13 × 5,376.63
  4. Step 4: Simplify right side
    20,167.79x = 162,659,886.35
  5. Step 5: Solve for x
    x = 162,659,886.35/20,167.79
  6. Step 6: Final answer
    x = 8,065.33

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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.