Home / 20,014.86-27,619.80-11,061.78

Finding the Fourth Proportional to 20,014.86, 27,619.80 and 11,061.78

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Solution

The fourth proportional to 20,014.86, 27,619.80 and 11,061.78 is: 15,264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,014.86 : 27,619.80 = 11,061.78 : x
  2. Step 2: Convert to fraction form
    20,014.86/27,619.80 = 11,061.78/x
  3. Step 3: Cross multiply
    20,014.86x = 27,619.80 × 11,061.78
  4. Step 4: Simplify right side
    20,014.86x = 305,524,151.24
  5. Step 5: Solve for x
    x = 305,524,151.24/20,014.86
  6. Step 6: Final answer
    x = 15,264.87

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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.