Home / 10,315.24-15,473.18-3,389

Finding the Fourth Proportional to 10,315.24, 15,473.18 and 3,389

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Solution

The fourth proportional to 10,315.24, 15,473.18 and 3,389 is: 5,083.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.24 : 15,473.18 = 3,389 : x
  2. Step 2: Convert to fraction form
    10,315.24/15,473.18 = 3,389/x
  3. Step 3: Cross multiply
    10,315.24x = 15,473.18 × 3,389
  4. Step 4: Simplify right side
    10,315.24x = 52,438,607.02
  5. Step 5: Solve for x
    x = 52,438,607.02/10,315.24
  6. Step 6: Final answer
    x = 5,083.61

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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.