Home / 15,922.16-21,982.19-10,549.15

Finding the Fourth Proportional to 15,922.16, 21,982.19 and 10,549.15

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Solution

The fourth proportional to 15,922.16, 21,982.19 and 10,549.15 is: 14,564.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,922.16 : 21,982.19 = 10,549.15 : x
  2. Step 2: Convert to fraction form
    15,922.16/21,982.19 = 10,549.15/x
  3. Step 3: Cross multiply
    15,922.16x = 21,982.19 × 10,549.15
  4. Step 4: Simplify right side
    15,922.16x = 231,893,419.64
  5. Step 5: Solve for x
    x = 231,893,419.64/15,922.16
  6. Step 6: Final answer
    x = 14,564.19

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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.