Home / 15,421.40-23,132.15-3,734.60

Finding the Fourth Proportional to 15,421.40, 23,132.15 and 3,734.60

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Solution

The fourth proportional to 15,421.40, 23,132.15 and 3,734.60 is: 5,601.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421.40 : 23,132.15 = 3,734.60 : x
  2. Step 2: Convert to fraction form
    15,421.40/23,132.15 = 3,734.60/x
  3. Step 3: Cross multiply
    15,421.40x = 23,132.15 × 3,734.60
  4. Step 4: Simplify right side
    15,421.40x = 86,389,221.07
  5. Step 5: Solve for x
    x = 86,389,221.07/15,421.40
  6. Step 6: Final answer
    x = 5,601.91

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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.