Home / 15,306.33-22,968.35-6,420.87

Finding the Fourth Proportional to 15,306.33, 22,968.35 and 6,420.87

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Solution

The fourth proportional to 15,306.33, 22,968.35 and 6,420.87 is: 9,635.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,306.33 : 22,968.35 = 6,420.87 : x
  2. Step 2: Convert to fraction form
    15,306.33/22,968.35 = 6,420.87/x
  3. Step 3: Cross multiply
    15,306.33x = 22,968.35 × 6,420.87
  4. Step 4: Simplify right side
    15,306.33x = 147,476,789.46
  5. Step 5: Solve for x
    x = 147,476,789.46/15,306.33
  6. Step 6: Final answer
    x = 9,635.02

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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.