Home / 21,386.97-32,087.43-10,294.56

Finding the Fourth Proportional to 21,386.97, 32,087.43 and 10,294.56

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Solution

The fourth proportional to 21,386.97, 32,087.43 and 10,294.56 is: 15,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,386.97 : 32,087.43 = 10,294.56 : x
  2. Step 2: Convert to fraction form
    21,386.97/32,087.43 = 10,294.56/x
  3. Step 3: Cross multiply
    21,386.97x = 32,087.43 × 10,294.56
  4. Step 4: Simplify right side
    21,386.97x = 330,325,973.38
  5. Step 5: Solve for x
    x = 330,325,973.38/21,386.97
  6. Step 6: Final answer
    x = 15,445.20

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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.