Home / 13,282.90-18,330.80-7,233.54

Finding the Fourth Proportional to 13,282.90, 18,330.80 and 7,233.54

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Solution

The fourth proportional to 13,282.90, 18,330.80 and 7,233.54 is: 9,982.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.90 : 18,330.80 = 7,233.54 : x
  2. Step 2: Convert to fraction form
    13,282.90/18,330.80 = 7,233.54/x
  3. Step 3: Cross multiply
    13,282.90x = 18,330.80 × 7,233.54
  4. Step 4: Simplify right side
    13,282.90x = 132,596,470.12
  5. Step 5: Solve for x
    x = 132,596,470.12/13,282.90
  6. Step 6: Final answer
    x = 9,982.50

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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.