Home / 22,722.18-34,083.66-8,688.72

Finding the Fourth Proportional to 22,722.18, 34,083.66 and 8,688.72

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Solution

The fourth proportional to 22,722.18, 34,083.66 and 8,688.72 is: 13,033.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,722.18 : 34,083.66 = 8,688.72 : x
  2. Step 2: Convert to fraction form
    22,722.18/34,083.66 = 8,688.72/x
  3. Step 3: Cross multiply
    22,722.18x = 34,083.66 × 8,688.72
  4. Step 4: Simplify right side
    22,722.18x = 296,143,378.32
  5. Step 5: Solve for x
    x = 296,143,378.32/22,722.18
  6. Step 6: Final answer
    x = 13,033.23

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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.