Home / 21,433.54-32,149.70-7,393.30

Finding the Fourth Proportional to 21,433.54, 32,149.70 and 7,393.30

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Solution

The fourth proportional to 21,433.54, 32,149.70 and 7,393.30 is: 11,089.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,433.54 : 32,149.70 = 7,393.30 : x
  2. Step 2: Convert to fraction form
    21,433.54/32,149.70 = 7,393.30/x
  3. Step 3: Cross multiply
    21,433.54x = 32,149.70 × 7,393.30
  4. Step 4: Simplify right side
    21,433.54x = 237,692,377.01
  5. Step 5: Solve for x
    x = 237,692,377.01/21,433.54
  6. Step 6: Final answer
    x = 11,089.74

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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.