Home / 22,123.80-33,185.70-6,541.20

Finding the Fourth Proportional to 22,123.80, 33,185.70 and 6,541.20

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Solution

The fourth proportional to 22,123.80, 33,185.70 and 6,541.20 is: 9,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,123.80 : 33,185.70 = 6,541.20 : x
  2. Step 2: Convert to fraction form
    22,123.80/33,185.70 = 6,541.20/x
  3. Step 3: Cross multiply
    22,123.80x = 33,185.70 × 6,541.20
  4. Step 4: Simplify right side
    22,123.80x = 217,074,300.84
  5. Step 5: Solve for x
    x = 217,074,300.84/22,123.80
  6. Step 6: Final answer
    x = 9,811.80

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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.