Home / 10,273.72-15,393.66-4,345.78

Finding the Fourth Proportional to 10,273.72, 15,393.66 and 4,345.78

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Solution

The fourth proportional to 10,273.72, 15,393.66 and 4,345.78 is: 6,511.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,273.72 : 15,393.66 = 4,345.78 : x
  2. Step 2: Convert to fraction form
    10,273.72/15,393.66 = 4,345.78/x
  3. Step 3: Cross multiply
    10,273.72x = 15,393.66 × 4,345.78
  4. Step 4: Simplify right side
    10,273.72x = 66,897,459.75
  5. Step 5: Solve for x
    x = 66,897,459.75/10,273.72
  6. Step 6: Final answer
    x = 6,511.51

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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.