Home / 13,001.25-19,501.85-4,236.15

Finding the Fourth Proportional to 13,001.25, 19,501.85 and 4,236.15

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Solution

The fourth proportional to 13,001.25, 19,501.85 and 4,236.15 is: 6,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.25 : 19,501.85 = 4,236.15 : x
  2. Step 2: Convert to fraction form
    13,001.25/19,501.85 = 4,236.15/x
  3. Step 3: Cross multiply
    13,001.25x = 19,501.85 × 4,236.15
  4. Step 4: Simplify right side
    13,001.25x = 82,612,761.88
  5. Step 5: Solve for x
    x = 82,612,761.88/13,001.25
  6. Step 6: Final answer
    x = 6,354.22

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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.