Home / 11,202.80-15,459.60-6,166.88

Finding the Fourth Proportional to 11,202.80, 15,459.60 and 6,166.88

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Solution

The fourth proportional to 11,202.80, 15,459.60 and 6,166.88 is: 8,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,202.80 : 15,459.60 = 6,166.88 : x
  2. Step 2: Convert to fraction form
    11,202.80/15,459.60 = 6,166.88/x
  3. Step 3: Cross multiply
    11,202.80x = 15,459.60 × 6,166.88
  4. Step 4: Simplify right side
    11,202.80x = 95,337,498.05
  5. Step 5: Solve for x
    x = 95,337,498.05/11,202.80
  6. Step 6: Final answer
    x = 8,510.15

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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.