Home / 10,226.88-15,314.40-6,319.44

Finding the Fourth Proportional to 10,226.88, 15,314.40 and 6,319.44

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Solution

The fourth proportional to 10,226.88, 15,314.40 and 6,319.44 is: 9,463.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,226.88 : 15,314.40 = 6,319.44 : x
  2. Step 2: Convert to fraction form
    10,226.88/15,314.40 = 6,319.44/x
  3. Step 3: Cross multiply
    10,226.88x = 15,314.40 × 6,319.44
  4. Step 4: Simplify right side
    10,226.88x = 96,778,431.94
  5. Step 5: Solve for x
    x = 96,778,431.94/10,226.88
  6. Step 6: Final answer
    x = 9,463.14

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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.