Home / 11,987.01-17,972.73-4,965.12

Finding the Fourth Proportional to 11,987.01, 17,972.73 and 4,965.12

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Solution

The fourth proportional to 11,987.01, 17,972.73 and 4,965.12 is: 7,444.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,987.01 : 17,972.73 = 4,965.12 : x
  2. Step 2: Convert to fraction form
    11,987.01/17,972.73 = 4,965.12/x
  3. Step 3: Cross multiply
    11,987.01x = 17,972.73 × 4,965.12
  4. Step 4: Simplify right side
    11,987.01x = 89,236,761.18
  5. Step 5: Solve for x
    x = 89,236,761.18/11,987.01
  6. Step 6: Final answer
    x = 7,444.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.