Home / 12,170.33-16,798.11-6,868.20

Finding the Fourth Proportional to 12,170.33, 16,798.11 and 6,868.20

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Solution

The fourth proportional to 12,170.33, 16,798.11 and 6,868.20 is: 9,479.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.33 : 16,798.11 = 6,868.20 : x
  2. Step 2: Convert to fraction form
    12,170.33/16,798.11 = 6,868.20/x
  3. Step 3: Cross multiply
    12,170.33x = 16,798.11 × 6,868.20
  4. Step 4: Simplify right side
    12,170.33x = 115,372,779.10
  5. Step 5: Solve for x
    x = 115,372,779.10/12,170.33
  6. Step 6: Final answer
    x = 9,479.84

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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.