Home / 22,718.79-34,083.57-7,136.43

Finding the Fourth Proportional to 22,718.79, 34,083.57 and 7,136.43

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Solution

The fourth proportional to 22,718.79, 34,083.57 and 7,136.43 is: 10,706.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,718.79 : 34,083.57 = 7,136.43 : x
  2. Step 2: Convert to fraction form
    22,718.79/34,083.57 = 7,136.43/x
  3. Step 3: Cross multiply
    22,718.79x = 34,083.57 × 7,136.43
  4. Step 4: Simplify right side
    22,718.79x = 243,235,011.46
  5. Step 5: Solve for x
    x = 243,235,011.46/22,718.79
  6. Step 6: Final answer
    x = 10,706.34

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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.