Home / 10,775.18-14,868.42-6,238.64

Finding the Fourth Proportional to 10,775.18, 14,868.42 and 6,238.64

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Solution

The fourth proportional to 10,775.18, 14,868.42 and 6,238.64 is: 8,608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,775.18 : 14,868.42 = 6,238.64 : x
  2. Step 2: Convert to fraction form
    10,775.18/14,868.42 = 6,238.64/x
  3. Step 3: Cross multiply
    10,775.18x = 14,868.42 × 6,238.64
  4. Step 4: Simplify right side
    10,775.18x = 92,758,719.75
  5. Step 5: Solve for x
    x = 92,758,719.75/10,775.18
  6. Step 6: Final answer
    x = 8,608.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.