Home / 22,261.16-33,391.74-6,678.78

Finding the Fourth Proportional to 22,261.16, 33,391.74 and 6,678.78

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Solution

The fourth proportional to 22,261.16, 33,391.74 and 6,678.78 is: 10,018.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,261.16 : 33,391.74 = 6,678.78 : x
  2. Step 2: Convert to fraction form
    22,261.16/33,391.74 = 6,678.78/x
  3. Step 3: Cross multiply
    22,261.16x = 33,391.74 × 6,678.78
  4. Step 4: Simplify right side
    22,261.16x = 223,016,051.88
  5. Step 5: Solve for x
    x = 223,016,051.88/22,261.16
  6. Step 6: Final answer
    x = 10,018.17

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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.