Home / 21,331.54-31,967.24-10,074.88

Finding the Fourth Proportional to 21,331.54, 31,967.24 and 10,074.88

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Solution

The fourth proportional to 21,331.54, 31,967.24 and 10,074.88 is: 15,098.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,331.54 : 31,967.24 = 10,074.88 : x
  2. Step 2: Convert to fraction form
    21,331.54/31,967.24 = 10,074.88/x
  3. Step 3: Cross multiply
    21,331.54x = 31,967.24 × 10,074.88
  4. Step 4: Simplify right side
    21,331.54x = 322,066,106.93
  5. Step 5: Solve for x
    x = 322,066,106.93/21,331.54
  6. Step 6: Final answer
    x = 15,098.12

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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.