Home / 15,283.36-21,091.16-8,568.96

Finding the Fourth Proportional to 15,283.36, 21,091.16 and 8,568.96

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Solution

The fourth proportional to 15,283.36, 21,091.16 and 8,568.96 is: 11,825.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,283.36 : 21,091.16 = 8,568.96 : x
  2. Step 2: Convert to fraction form
    15,283.36/21,091.16 = 8,568.96/x
  3. Step 3: Cross multiply
    15,283.36x = 21,091.16 × 8,568.96
  4. Step 4: Simplify right side
    15,283.36x = 180,729,306.39
  5. Step 5: Solve for x
    x = 180,729,306.39/15,283.36
  6. Step 6: Final answer
    x = 11,825.23

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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.