Home / 13,394.83-20,077.65-9,001.39

Finding the Fourth Proportional to 13,394.83, 20,077.65 and 9,001.39

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Solution

The fourth proportional to 13,394.83, 20,077.65 and 9,001.39 is: 13,492.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.83 : 20,077.65 = 9,001.39 : x
  2. Step 2: Convert to fraction form
    13,394.83/20,077.65 = 9,001.39/x
  3. Step 3: Cross multiply
    13,394.83x = 20,077.65 × 9,001.39
  4. Step 4: Simplify right side
    13,394.83x = 180,726,757.93
  5. Step 5: Solve for x
    x = 180,726,757.93/13,394.83
  6. Step 6: Final answer
    x = 13,492.28

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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.