Home / 9,076.60-13,615.30-5,127.80

Finding the Fourth Proportional to 9,076.60, 13,615.30 and 5,127.80

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Solution

The fourth proportional to 9,076.60, 13,615.30 and 5,127.80 is: 7,691.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,076.60 : 13,615.30 = 5,127.80 : x
  2. Step 2: Convert to fraction form
    9,076.60/13,615.30 = 5,127.80/x
  3. Step 3: Cross multiply
    9,076.60x = 13,615.30 × 5,127.80
  4. Step 4: Simplify right side
    9,076.60x = 69,816,535.34
  5. Step 5: Solve for x
    x = 69,816,535.34/9,076.60
  6. Step 6: Final answer
    x = 7,691.93

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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.