Home / 19,917.63-27,486.47-10,965.17

Finding the Fourth Proportional to 19,917.63, 27,486.47 and 10,965.17

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Solution

The fourth proportional to 19,917.63, 27,486.47 and 10,965.17 is: 15,132.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,917.63 : 27,486.47 = 10,965.17 : x
  2. Step 2: Convert to fraction form
    19,917.63/27,486.47 = 10,965.17/x
  3. Step 3: Cross multiply
    19,917.63x = 27,486.47 × 10,965.17
  4. Step 4: Simplify right side
    19,917.63x = 301,393,912.38
  5. Step 5: Solve for x
    x = 301,393,912.38/19,917.63
  6. Step 6: Final answer
    x = 15,132.02

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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.