Home / 15,850.72-21,873.95-9,136.29

Finding the Fourth Proportional to 15,850.72, 21,873.95 and 9,136.29

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Solution

The fourth proportional to 15,850.72, 21,873.95 and 9,136.29 is: 12,608.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,850.72 : 21,873.95 = 9,136.29 : x
  2. Step 2: Convert to fraction form
    15,850.72/21,873.95 = 9,136.29/x
  3. Step 3: Cross multiply
    15,850.72x = 21,873.95 × 9,136.29
  4. Step 4: Simplify right side
    15,850.72x = 199,846,750.65
  5. Step 5: Solve for x
    x = 199,846,750.65/15,850.72
  6. Step 6: Final answer
    x = 12,608.06

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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.