Home / 15,738.13-21,718.89-8,568.25

Finding the Fourth Proportional to 15,738.13, 21,718.89 and 8,568.25

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Solution

The fourth proportional to 15,738.13, 21,718.89 and 8,568.25 is: 11,824.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,738.13 : 21,718.89 = 8,568.25 : x
  2. Step 2: Convert to fraction form
    15,738.13/21,718.89 = 8,568.25/x
  3. Step 3: Cross multiply
    15,738.13x = 21,718.89 × 8,568.25
  4. Step 4: Simplify right side
    15,738.13x = 186,092,938.25
  5. Step 5: Solve for x
    x = 186,092,938.25/15,738.13
  6. Step 6: Final answer
    x = 11,824.34

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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.