Home / 22,756.49-34,133.67-7,968.72

Finding the Fourth Proportional to 22,756.49, 34,133.67 and 7,968.72

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Solution

The fourth proportional to 22,756.49, 34,133.67 and 7,968.72 is: 11,952.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,756.49 : 34,133.67 = 7,968.72 : x
  2. Step 2: Convert to fraction form
    22,756.49/34,133.67 = 7,968.72/x
  3. Step 3: Cross multiply
    22,756.49x = 34,133.67 × 7,968.72
  4. Step 4: Simplify right side
    22,756.49x = 272,001,658.80
  5. Step 5: Solve for x
    x = 272,001,658.80/22,756.49
  6. Step 6: Final answer
    x = 11,952.71

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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.