Home / 9,977.24-13,768.65-5,500.91

Finding the Fourth Proportional to 9,977.24, 13,768.65 and 5,500.91

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Solution

The fourth proportional to 9,977.24, 13,768.65 and 5,500.91 is: 7,591.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,977.24 : 13,768.65 = 5,500.91 : x
  2. Step 2: Convert to fraction form
    9,977.24/13,768.65 = 5,500.91/x
  3. Step 3: Cross multiply
    9,977.24x = 13,768.65 × 5,500.91
  4. Step 4: Simplify right side
    9,977.24x = 75,740,115.69
  5. Step 5: Solve for x
    x = 75,740,115.69/9,977.24
  6. Step 6: Final answer
    x = 7,591.29

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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.