Home / 10,876.16-16,315.32-4,306.88

Finding the Fourth Proportional to 10,876.16, 16,315.32 and 4,306.88

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Solution

The fourth proportional to 10,876.16, 16,315.32 and 4,306.88 is: 6,460.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.16 : 16,315.32 = 4,306.88 : x
  2. Step 2: Convert to fraction form
    10,876.16/16,315.32 = 4,306.88/x
  3. Step 3: Cross multiply
    10,876.16x = 16,315.32 × 4,306.88
  4. Step 4: Simplify right side
    10,876.16x = 70,268,125.40
  5. Step 5: Solve for x
    x = 70,268,125.40/10,876.16
  6. Step 6: Final answer
    x = 6,460.75

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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.