Home / 11,478.60-17,204.40-6,552.90

Finding the Fourth Proportional to 11,478.60, 17,204.40 and 6,552.90

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Solution

The fourth proportional to 11,478.60, 17,204.40 and 6,552.90 is: 9,821.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478.60 : 17,204.40 = 6,552.90 : x
  2. Step 2: Convert to fraction form
    11,478.60/17,204.40 = 6,552.90/x
  3. Step 3: Cross multiply
    11,478.60x = 17,204.40 × 6,552.90
  4. Step 4: Simplify right side
    11,478.60x = 112,738,712.76
  5. Step 5: Solve for x
    x = 112,738,712.76/11,478.60
  6. Step 6: Final answer
    x = 9,821.64

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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.