Home / 9,551.88-13,181.80-5,360.12

Finding the Fourth Proportional to 9,551.88, 13,181.80 and 5,360.12

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Solution

The fourth proportional to 9,551.88, 13,181.80 and 5,360.12 is: 7,397.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,551.88 : 13,181.80 = 5,360.12 : x
  2. Step 2: Convert to fraction form
    9,551.88/13,181.80 = 5,360.12/x
  3. Step 3: Cross multiply
    9,551.88x = 13,181.80 × 5,360.12
  4. Step 4: Simplify right side
    9,551.88x = 70,656,029.82
  5. Step 5: Solve for x
    x = 70,656,029.82/9,551.88
  6. Step 6: Final answer
    x = 7,397.08

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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.