Home / 15,747.03-21,731.42-8,577.22

Finding the Fourth Proportional to 15,747.03, 21,731.42 and 8,577.22

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Solution

The fourth proportional to 15,747.03, 21,731.42 and 8,577.22 is: 11,836.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,747.03 : 21,731.42 = 8,577.22 : x
  2. Step 2: Convert to fraction form
    15,747.03/21,731.42 = 8,577.22/x
  3. Step 3: Cross multiply
    15,747.03x = 21,731.42 × 8,577.22
  4. Step 4: Simplify right side
    15,747.03x = 186,395,127.37
  5. Step 5: Solve for x
    x = 186,395,127.37/15,747.03
  6. Step 6: Final answer
    x = 11,836.85

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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.