Home / 10,442.08-15,664.92-5,515.84

Finding the Fourth Proportional to 10,442.08, 15,664.92 and 5,515.84

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Solution

The fourth proportional to 10,442.08, 15,664.92 and 5,515.84 is: 8,274.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.08 : 15,664.92 = 5,515.84 : x
  2. Step 2: Convert to fraction form
    10,442.08/15,664.92 = 5,515.84/x
  3. Step 3: Cross multiply
    10,442.08x = 15,664.92 × 5,515.84
  4. Step 4: Simplify right side
    10,442.08x = 86,405,192.33
  5. Step 5: Solve for x
    x = 86,405,192.33/10,442.08
  6. Step 6: Final answer
    x = 8,274.71

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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.