Home / 11,747.50-17,622.08-4,727.55

Finding the Fourth Proportional to 11,747.50, 17,622.08 and 4,727.55

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Solution

The fourth proportional to 11,747.50, 17,622.08 and 4,727.55 is: 7,091.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.50 : 17,622.08 = 4,727.55 : x
  2. Step 2: Convert to fraction form
    11,747.50/17,622.08 = 4,727.55/x
  3. Step 3: Cross multiply
    11,747.50x = 17,622.08 × 4,727.55
  4. Step 4: Simplify right side
    11,747.50x = 83,309,264.30
  5. Step 5: Solve for x
    x = 83,309,264.30/11,747.50
  6. Step 6: Final answer
    x = 7,091.66

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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.