Home / 11,259.80-15,538.10-6,223.96

Finding the Fourth Proportional to 11,259.80, 15,538.10 and 6,223.96

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Solution

The fourth proportional to 11,259.80, 15,538.10 and 6,223.96 is: 8,588.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.80 : 15,538.10 = 6,223.96 : x
  2. Step 2: Convert to fraction form
    11,259.80/15,538.10 = 6,223.96/x
  3. Step 3: Cross multiply
    11,259.80x = 15,538.10 × 6,223.96
  4. Step 4: Simplify right side
    11,259.80x = 96,708,512.88
  5. Step 5: Solve for x
    x = 96,708,512.88/11,259.80
  6. Step 6: Final answer
    x = 8,588.83

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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.