Home / 19,894.94-27,455.67-10,943.13

Finding the Fourth Proportional to 19,894.94, 27,455.67 and 10,943.13

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Solution

The fourth proportional to 19,894.94, 27,455.67 and 10,943.13 is: 15,101.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894.94 : 27,455.67 = 10,943.13 : x
  2. Step 2: Convert to fraction form
    19,894.94/27,455.67 = 10,943.13/x
  3. Step 3: Cross multiply
    19,894.94x = 27,455.67 × 10,943.13
  4. Step 4: Simplify right side
    19,894.94x = 300,450,966.05
  5. Step 5: Solve for x
    x = 300,450,966.05/19,894.94
  6. Step 6: Final answer
    x = 15,101.88

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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.