Home / 9,977.40-13,769.40-5,502.15

Finding the Fourth Proportional to 9,977.40, 13,769.40 and 5,502.15

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Solution

The fourth proportional to 9,977.40, 13,769.40 and 5,502.15 is: 7,593.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,977.40 : 13,769.40 = 5,502.15 : x
  2. Step 2: Convert to fraction form
    9,977.40/13,769.40 = 5,502.15/x
  3. Step 3: Cross multiply
    9,977.40x = 13,769.40 × 5,502.15
  4. Step 4: Simplify right side
    9,977.40x = 75,761,304.21
  5. Step 5: Solve for x
    x = 75,761,304.21/9,977.40
  6. Step 6: Final answer
    x = 7,593.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.