Home / 10,610.16-15,920.70-4,374.78

Finding the Fourth Proportional to 10,610.16, 15,920.70 and 4,374.78

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Solution

The fourth proportional to 10,610.16, 15,920.70 and 4,374.78 is: 6,564.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,610.16 : 15,920.70 = 4,374.78 : x
  2. Step 2: Convert to fraction form
    10,610.16/15,920.70 = 4,374.78/x
  3. Step 3: Cross multiply
    10,610.16x = 15,920.70 × 4,374.78
  4. Step 4: Simplify right side
    10,610.16x = 69,649,559.95
  5. Step 5: Solve for x
    x = 69,649,559.95/10,610.16
  6. Step 6: Final answer
    x = 6,564.42

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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.