Home / 10,340.16-15,519.92-6,879.84

Finding the Fourth Proportional to 10,340.16, 15,519.92 and 6,879.84

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Solution

The fourth proportional to 10,340.16, 15,519.92 and 6,879.84 is: 10,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.16 : 15,519.92 = 6,879.84 : x
  2. Step 2: Convert to fraction form
    10,340.16/15,519.92 = 6,879.84/x
  3. Step 3: Cross multiply
    10,340.16x = 15,519.92 × 6,879.84
  4. Step 4: Simplify right side
    10,340.16x = 106,774,566.41
  5. Step 5: Solve for x
    x = 106,774,566.41/10,340.16
  6. Step 6: Final answer
    x = 10,326.20

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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.