Home / 21,304.08-31,953.96-7,452

Finding the Fourth Proportional to 21,304.08, 31,953.96 and 7,452

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Solution

The fourth proportional to 21,304.08, 31,953.96 and 7,452 is: 11,177.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304.08 : 31,953.96 = 7,452 : x
  2. Step 2: Convert to fraction form
    21,304.08/31,953.96 = 7,452/x
  3. Step 3: Cross multiply
    21,304.08x = 31,953.96 × 7,452
  4. Step 4: Simplify right side
    21,304.08x = 238,120,909.92
  5. Step 5: Solve for x
    x = 238,120,909.92/21,304.08
  6. Step 6: Final answer
    x = 11,177.24

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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.