Home / 15,857.08-23,763.74-11,957.20

Finding the Fourth Proportional to 15,857.08, 23,763.74 and 11,957.20

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Solution

The fourth proportional to 15,857.08, 23,763.74 and 11,957.20 is: 17,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857.08 : 23,763.74 = 11,957.20 : x
  2. Step 2: Convert to fraction form
    15,857.08/23,763.74 = 11,957.20/x
  3. Step 3: Cross multiply
    15,857.08x = 23,763.74 × 11,957.20
  4. Step 4: Simplify right side
    15,857.08x = 284,147,791.93
  5. Step 5: Solve for x
    x = 284,147,791.93/15,857.08
  6. Step 6: Final answer
    x = 17,919.30

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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.