Home / 12,259.04-18,388.56-8,568.47

Finding the Fourth Proportional to 12,259.04, 18,388.56 and 8,568.47

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Solution

The fourth proportional to 12,259.04, 18,388.56 and 8,568.47 is: 12,852.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.04 : 18,388.56 = 8,568.47 : x
  2. Step 2: Convert to fraction form
    12,259.04/18,388.56 = 8,568.47/x
  3. Step 3: Cross multiply
    12,259.04x = 18,388.56 × 8,568.47
  4. Step 4: Simplify right side
    12,259.04x = 157,561,824.70
  5. Step 5: Solve for x
    x = 157,561,824.70/12,259.04
  6. Step 6: Final answer
    x = 12,852.71

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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.