Home / 10,315.92-15,479.82-4,473.12

Finding the Fourth Proportional to 10,315.92, 15,479.82 and 4,473.12

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Solution

The fourth proportional to 10,315.92, 15,479.82 and 4,473.12 is: 6,712.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.92 : 15,479.82 = 4,473.12 : x
  2. Step 2: Convert to fraction form
    10,315.92/15,479.82 = 4,473.12/x
  3. Step 3: Cross multiply
    10,315.92x = 15,479.82 × 4,473.12
  4. Step 4: Simplify right side
    10,315.92x = 69,243,092.44
  5. Step 5: Solve for x
    x = 69,243,092.44/10,315.92
  6. Step 6: Final answer
    x = 6,712.26

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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.