Home / 16,210.42-22,370.07-9,136.70

Finding the Fourth Proportional to 16,210.42, 22,370.07 and 9,136.70

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Solution

The fourth proportional to 16,210.42, 22,370.07 and 9,136.70 is: 12,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,210.42 : 22,370.07 = 9,136.70 : x
  2. Step 2: Convert to fraction form
    16,210.42/22,370.07 = 9,136.70/x
  3. Step 3: Cross multiply
    16,210.42x = 22,370.07 × 9,136.70
  4. Step 4: Simplify right side
    16,210.42x = 204,388,618.57
  5. Step 5: Solve for x
    x = 204,388,618.57/16,210.42
  6. Step 6: Final answer
    x = 12,608.47

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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.