Home / 13,982.90-19,292.05-7,932.14

Finding the Fourth Proportional to 13,982.90, 19,292.05 and 7,932.14

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Solution

The fourth proportional to 13,982.90, 19,292.05 and 7,932.14 is: 10,943.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.90 : 19,292.05 = 7,932.14 : x
  2. Step 2: Convert to fraction form
    13,982.90/19,292.05 = 7,932.14/x
  3. Step 3: Cross multiply
    13,982.90x = 19,292.05 × 7,932.14
  4. Step 4: Simplify right side
    13,982.90x = 153,027,227.29
  5. Step 5: Solve for x
    x = 153,027,227.29/13,982.90
  6. Step 6: Final answer
    x = 10,943.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.