Home / 11,701.20-17,532.60-9,742.80

Finding the Fourth Proportional to 11,701.20, 17,532.60 and 9,742.80

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Solution

The fourth proportional to 11,701.20, 17,532.60 and 9,742.80 is: 14,598.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.20 : 17,532.60 = 9,742.80 : x
  2. Step 2: Convert to fraction form
    11,701.20/17,532.60 = 9,742.80/x
  3. Step 3: Cross multiply
    11,701.20x = 17,532.60 × 9,742.80
  4. Step 4: Simplify right side
    11,701.20x = 170,816,615.28
  5. Step 5: Solve for x
    x = 170,816,615.28/11,701.20
  6. Step 6: Final answer
    x = 14,598.21

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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.