Home / 21,252.06-31,892.61-7,401.06

Finding the Fourth Proportional to 21,252.06, 31,892.61 and 7,401.06

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Solution

The fourth proportional to 21,252.06, 31,892.61 and 7,401.06 is: 11,106.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,252.06 : 31,892.61 = 7,401.06 : x
  2. Step 2: Convert to fraction form
    21,252.06/31,892.61 = 7,401.06/x
  3. Step 3: Cross multiply
    21,252.06x = 31,892.61 × 7,401.06
  4. Step 4: Simplify right side
    21,252.06x = 236,039,120.17
  5. Step 5: Solve for x
    x = 236,039,120.17/21,252.06
  6. Step 6: Final answer
    x = 11,106.65

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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.