Home / 16,834.84-23,231.04-9,280.78

Finding the Fourth Proportional to 16,834.84, 23,231.04 and 9,280.78

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Solution

The fourth proportional to 16,834.84, 23,231.04 and 9,280.78 is: 12,806.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,834.84 : 23,231.04 = 9,280.78 : x
  2. Step 2: Convert to fraction form
    16,834.84/23,231.04 = 9,280.78/x
  3. Step 3: Cross multiply
    16,834.84x = 23,231.04 × 9,280.78
  4. Step 4: Simplify right side
    16,834.84x = 215,602,078.53
  5. Step 5: Solve for x
    x = 215,602,078.53/16,834.84
  6. Step 6: Final answer
    x = 12,806.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.