Home / 22,920.42-34,381.75-7,136.22

Finding the Fourth Proportional to 22,920.42, 34,381.75 and 7,136.22

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Solution

The fourth proportional to 22,920.42, 34,381.75 and 7,136.22 is: 10,704.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,920.42 : 34,381.75 = 7,136.22 : x
  2. Step 2: Convert to fraction form
    22,920.42/34,381.75 = 7,136.22/x
  3. Step 3: Cross multiply
    22,920.42x = 34,381.75 × 7,136.22
  4. Step 4: Simplify right side
    22,920.42x = 245,355,731.99
  5. Step 5: Solve for x
    x = 245,355,731.99/22,920.42
  6. Step 6: Final answer
    x = 10,704.68

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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.