Home / 15,736.80-21,719.16-9,452.64

Finding the Fourth Proportional to 15,736.80, 21,719.16 and 9,452.64

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Solution

The fourth proportional to 15,736.80, 21,719.16 and 9,452.64 is: 13,046.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,736.80 : 21,719.16 = 9,452.64 : x
  2. Step 2: Convert to fraction form
    15,736.80/21,719.16 = 9,452.64/x
  3. Step 3: Cross multiply
    15,736.80x = 21,719.16 × 9,452.64
  4. Step 4: Simplify right side
    15,736.80x = 205,303,400.58
  5. Step 5: Solve for x
    x = 205,303,400.58/15,736.80
  6. Step 6: Final answer
    x = 13,046.07

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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.