Home / 12,539.28-17,303.54-7,233.78

Finding the Fourth Proportional to 12,539.28, 17,303.54 and 7,233.78

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Solution

The fourth proportional to 12,539.28, 17,303.54 and 7,233.78 is: 9,982.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539.28 : 17,303.54 = 7,233.78 : x
  2. Step 2: Convert to fraction form
    12,539.28/17,303.54 = 7,233.78/x
  3. Step 3: Cross multiply
    12,539.28x = 17,303.54 × 7,233.78
  4. Step 4: Simplify right side
    12,539.28x = 125,170,001.58
  5. Step 5: Solve for x
    x = 125,170,001.58/12,539.28
  6. Step 6: Final answer
    x = 9,982.23

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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.