Home / 19,901.84-27,464.53-10,949.15

Finding the Fourth Proportional to 19,901.84, 27,464.53 and 10,949.15

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Solution

The fourth proportional to 19,901.84, 27,464.53 and 10,949.15 is: 15,109.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,901.84 : 27,464.53 = 10,949.15 : x
  2. Step 2: Convert to fraction form
    19,901.84/27,464.53 = 10,949.15/x
  3. Step 3: Cross multiply
    19,901.84x = 27,464.53 × 10,949.15
  4. Step 4: Simplify right side
    19,901.84x = 300,713,191.61
  5. Step 5: Solve for x
    x = 300,713,191.61/19,901.84
  6. Step 6: Final answer
    x = 15,109.82

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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.