Home / 10,310.12-15,463.74-4,389.38

Finding the Fourth Proportional to 10,310.12, 15,463.74 and 4,389.38

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Solution

The fourth proportional to 10,310.12, 15,463.74 and 4,389.38 is: 6,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,310.12 : 15,463.74 = 4,389.38 : x
  2. Step 2: Convert to fraction form
    10,310.12/15,463.74 = 4,389.38/x
  3. Step 3: Cross multiply
    10,310.12x = 15,463.74 × 4,389.38
  4. Step 4: Simplify right side
    10,310.12x = 67,876,231.08
  5. Step 5: Solve for x
    x = 67,876,231.08/10,310.12
  6. Step 6: Final answer
    x = 6,583.46

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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.