Home / 11,126.16-16,702.20-7,246.80

Finding the Fourth Proportional to 11,126.16, 16,702.20 and 7,246.80

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Solution

The fourth proportional to 11,126.16, 16,702.20 and 7,246.80 is: 10,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.16 : 16,702.20 = 7,246.80 : x
  2. Step 2: Convert to fraction form
    11,126.16/16,702.20 = 7,246.80/x
  3. Step 3: Cross multiply
    11,126.16x = 16,702.20 × 7,246.80
  4. Step 4: Simplify right side
    11,126.16x = 121,037,502.96
  5. Step 5: Solve for x
    x = 121,037,502.96/11,126.16
  6. Step 6: Final answer
    x = 10,878.64

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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.