Home / 11,752.16-17,628.84-2,987.15

Finding the Fourth Proportional to 11,752.16, 17,628.84 and 2,987.15

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Solution

The fourth proportional to 11,752.16, 17,628.84 and 2,987.15 is: 4,480.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,752.16 : 17,628.84 = 2,987.15 : x
  2. Step 2: Convert to fraction form
    11,752.16/17,628.84 = 2,987.15/x
  3. Step 3: Cross multiply
    11,752.16x = 17,628.84 × 2,987.15
  4. Step 4: Simplify right side
    11,752.16x = 52,659,901.26
  5. Step 5: Solve for x
    x = 52,659,901.26/11,752.16
  6. Step 6: Final answer
    x = 4,480.87

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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.