Home / 11,119.32-15,358.14-8,792.28

Finding the Fourth Proportional to 11,119.32, 15,358.14 and 8,792.28

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Solution

The fourth proportional to 11,119.32, 15,358.14 and 8,792.28 is: 12,144.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119.32 : 15,358.14 = 8,792.28 : x
  2. Step 2: Convert to fraction form
    11,119.32/15,358.14 = 8,792.28/x
  3. Step 3: Cross multiply
    11,119.32x = 15,358.14 × 8,792.28
  4. Step 4: Simplify right side
    11,119.32x = 135,033,067.16
  5. Step 5: Solve for x
    x = 135,033,067.16/11,119.32
  6. Step 6: Final answer
    x = 12,144.00

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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.