Home / 21,753.40-32,634.18-7,521.16

Finding the Fourth Proportional to 21,753.40, 32,634.18 and 7,521.16

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Solution

The fourth proportional to 21,753.40, 32,634.18 and 7,521.16 is: 11,283.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,753.40 : 32,634.18 = 7,521.16 : x
  2. Step 2: Convert to fraction form
    21,753.40/32,634.18 = 7,521.16/x
  3. Step 3: Cross multiply
    21,753.40x = 32,634.18 × 7,521.16
  4. Step 4: Simplify right side
    21,753.40x = 245,446,889.25
  5. Step 5: Solve for x
    x = 245,446,889.25/21,753.40
  6. Step 6: Final answer
    x = 11,283.15

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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.