Home / 13,402.74-20,104.35-5,086.71

Finding the Fourth Proportional to 13,402.74, 20,104.35 and 5,086.71

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Solution

The fourth proportional to 13,402.74, 20,104.35 and 5,086.71 is: 7,630.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402.74 : 20,104.35 = 5,086.71 : x
  2. Step 2: Convert to fraction form
    13,402.74/20,104.35 = 5,086.71/x
  3. Step 3: Cross multiply
    13,402.74x = 20,104.35 × 5,086.71
  4. Step 4: Simplify right side
    13,402.74x = 102,264,998.19
  5. Step 5: Solve for x
    x = 102,264,998.19/13,402.74
  6. Step 6: Final answer
    x = 7,630.16

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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.