Home / 15,882.37-21,918.36-9,507.73

Finding the Fourth Proportional to 15,882.37, 21,918.36 and 9,507.73

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Solution

The fourth proportional to 15,882.37, 21,918.36 and 9,507.73 is: 13,121.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,882.37 : 21,918.36 = 9,507.73 : x
  2. Step 2: Convert to fraction form
    15,882.37/21,918.36 = 9,507.73/x
  3. Step 3: Cross multiply
    15,882.37x = 21,918.36 × 9,507.73
  4. Step 4: Simplify right side
    15,882.37x = 208,393,894.43
  5. Step 5: Solve for x
    x = 208,393,894.43/15,882.37
  6. Step 6: Final answer
    x = 13,121.08

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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.