Home / 10,648.23-15,972.35-4,076.43

Finding the Fourth Proportional to 10,648.23, 15,972.35 and 4,076.43

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Solution

The fourth proportional to 10,648.23, 15,972.35 and 4,076.43 is: 6,114.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,648.23 : 15,972.35 = 4,076.43 : x
  2. Step 2: Convert to fraction form
    10,648.23/15,972.35 = 4,076.43/x
  3. Step 3: Cross multiply
    10,648.23x = 15,972.35 × 4,076.43
  4. Step 4: Simplify right side
    10,648.23x = 65,110,146.33
  5. Step 5: Solve for x
    x = 65,110,146.33/10,648.23
  6. Step 6: Final answer
    x = 6,114.65

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1.5x scale

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.