Home / 9,977.31-13,767.92-5,501.04

Finding the Fourth Proportional to 9,977.31, 13,767.92 and 5,501.04

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Solution

The fourth proportional to 9,977.31, 13,767.92 and 5,501.04 is: 7,591.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,977.31 : 13,767.92 = 5,501.04 : x
  2. Step 2: Convert to fraction form
    9,977.31/13,767.92 = 5,501.04/x
  3. Step 3: Cross multiply
    9,977.31x = 13,767.92 × 5,501.04
  4. Step 4: Simplify right side
    9,977.31x = 75,737,851.13
  5. Step 5: Solve for x
    x = 75,737,851.13/9,977.31
  6. Step 6: Final answer
    x = 7,591.01

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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.