Home / 21,261.15-31,892.25-10,169.01

Finding the Fourth Proportional to 21,261.15, 31,892.25 and 10,169.01

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Solution

The fourth proportional to 21,261.15, 31,892.25 and 10,169.01 is: 15,253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,261.15 : 31,892.25 = 10,169.01 : x
  2. Step 2: Convert to fraction form
    21,261.15/31,892.25 = 10,169.01/x
  3. Step 3: Cross multiply
    21,261.15x = 31,892.25 × 10,169.01
  4. Step 4: Simplify right side
    21,261.15x = 324,312,609.17
  5. Step 5: Solve for x
    x = 324,312,609.17/21,261.15
  6. Step 6: Final answer
    x = 15,253.77

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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.