Home / 11,747.04-17,620.56-4,729.20

Finding the Fourth Proportional to 11,747.04, 17,620.56 and 4,729.20

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Solution

The fourth proportional to 11,747.04, 17,620.56 and 4,729.20 is: 7,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.04 : 17,620.56 = 4,729.20 : x
  2. Step 2: Convert to fraction form
    11,747.04/17,620.56 = 4,729.20/x
  3. Step 3: Cross multiply
    11,747.04x = 17,620.56 × 4,729.20
  4. Step 4: Simplify right side
    11,747.04x = 83,331,152.35
  5. Step 5: Solve for x
    x = 83,331,152.35/11,747.04
  6. Step 6: Final answer
    x = 7,093.80

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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.