Home / 20,015.64-27,619.66-11,061.69

Finding the Fourth Proportional to 20,015.64, 27,619.66 and 11,061.69

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Solution

The fourth proportional to 20,015.64, 27,619.66 and 11,061.69 is: 15,264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.64 : 27,619.66 = 11,061.69 : x
  2. Step 2: Convert to fraction form
    20,015.64/27,619.66 = 11,061.69/x
  3. Step 3: Cross multiply
    20,015.64x = 27,619.66 × 11,061.69
  4. Step 4: Simplify right side
    20,015.64x = 305,520,116.83
  5. Step 5: Solve for x
    x = 305,520,116.83/20,015.64
  6. Step 6: Final answer
    x = 15,264.07

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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.