Home / 10,223.24-15,319.22-6,879.11

Finding the Fourth Proportional to 10,223.24, 15,319.22 and 6,879.11

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Solution

The fourth proportional to 10,223.24, 15,319.22 and 6,879.11 is: 10,308.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,223.24 : 15,319.22 = 6,879.11 : x
  2. Step 2: Convert to fraction form
    10,223.24/15,319.22 = 6,879.11/x
  3. Step 3: Cross multiply
    10,223.24x = 15,319.22 × 6,879.11
  4. Step 4: Simplify right side
    10,223.24x = 105,382,599.49
  5. Step 5: Solve for x
    x = 105,382,599.49/10,223.24
  6. Step 6: Final answer
    x = 10,308.14

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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.