Home / 20,003.31-27,603.18-11,050.74

Finding the Fourth Proportional to 20,003.31, 27,603.18 and 11,050.74

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Solution

The fourth proportional to 20,003.31, 27,603.18 and 11,050.74 is: 15,249.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.31 : 27,603.18 = 11,050.74 : x
  2. Step 2: Convert to fraction form
    20,003.31/27,603.18 = 11,050.74/x
  3. Step 3: Cross multiply
    20,003.31x = 27,603.18 × 11,050.74
  4. Step 4: Simplify right side
    20,003.31x = 305,035,565.35
  5. Step 5: Solve for x
    x = 305,035,565.35/20,003.31
  6. Step 6: Final answer
    x = 15,249.25

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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.