Home / 10,878.87-16,294.61-6,719.93

Finding the Fourth Proportional to 10,878.87, 16,294.61 and 6,719.93

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Solution

The fourth proportional to 10,878.87, 16,294.61 and 6,719.93 is: 10,065.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878.87 : 16,294.61 = 6,719.93 : x
  2. Step 2: Convert to fraction form
    10,878.87/16,294.61 = 6,719.93/x
  3. Step 3: Cross multiply
    10,878.87x = 16,294.61 × 6,719.93
  4. Step 4: Simplify right side
    10,878.87x = 109,498,523.50
  5. Step 5: Solve for x
    x = 109,498,523.50/10,878.87
  6. Step 6: Final answer
    x = 10,065.25

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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.