Home / 15,899.54-21,949.26-9,934.52

Finding the Fourth Proportional to 15,899.54, 21,949.26 and 9,934.52

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Solution

The fourth proportional to 15,899.54, 21,949.26 and 9,934.52 is: 13,714.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,899.54 : 21,949.26 = 9,934.52 : x
  2. Step 2: Convert to fraction form
    15,899.54/21,949.26 = 9,934.52/x
  3. Step 3: Cross multiply
    15,899.54x = 21,949.26 × 9,934.52
  4. Step 4: Simplify right side
    15,899.54x = 218,055,362.46
  5. Step 5: Solve for x
    x = 218,055,362.46/15,899.54
  6. Step 6: Final answer
    x = 13,714.57

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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.