Home / 13,335.90-19,984.38-7,494.18

Finding the Fourth Proportional to 13,335.90, 19,984.38 and 7,494.18

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Solution

The fourth proportional to 13,335.90, 19,984.38 and 7,494.18 is: 11,230.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.90 : 19,984.38 = 7,494.18 : x
  2. Step 2: Convert to fraction form
    13,335.90/19,984.38 = 7,494.18/x
  3. Step 3: Cross multiply
    13,335.90x = 19,984.38 × 7,494.18
  4. Step 4: Simplify right side
    13,335.90x = 149,766,540.91
  5. Step 5: Solve for x
    x = 149,766,540.91/13,335.90
  6. Step 6: Final answer
    x = 11,230.33

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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.