Home / 15,408.46-23,109.13-4,315.92

Finding the Fourth Proportional to 15,408.46, 23,109.13 and 4,315.92

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Solution

The fourth proportional to 15,408.46, 23,109.13 and 4,315.92 is: 6,472.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408.46 : 23,109.13 = 4,315.92 : x
  2. Step 2: Convert to fraction form
    15,408.46/23,109.13 = 4,315.92/x
  3. Step 3: Cross multiply
    15,408.46x = 23,109.13 × 4,315.92
  4. Step 4: Simplify right side
    15,408.46x = 99,737,156.35
  5. Step 5: Solve for x
    x = 99,737,156.35/15,408.46
  6. Step 6: Final answer
    x = 6,472.88

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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.