Home / 22,140.80-33,215.52-6,558.56

Finding the Fourth Proportional to 22,140.80, 33,215.52 and 6,558.56

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Solution

The fourth proportional to 22,140.80, 33,215.52 and 6,558.56 is: 9,839.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,140.80 : 33,215.52 = 6,558.56 : x
  2. Step 2: Convert to fraction form
    22,140.80/33,215.52 = 6,558.56/x
  3. Step 3: Cross multiply
    22,140.80x = 33,215.52 × 6,558.56
  4. Step 4: Simplify right side
    22,140.80x = 217,845,980.85
  5. Step 5: Solve for x
    x = 217,845,980.85/22,140.80
  6. Step 6: Final answer
    x = 9,839.12

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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.