Home / 19,934.64-27,509.90-10,982.97

Finding the Fourth Proportional to 19,934.64, 27,509.90 and 10,982.97

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Solution

The fourth proportional to 19,934.64, 27,509.90 and 10,982.97 is: 15,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,934.64 : 27,509.90 = 10,982.97 : x
  2. Step 2: Convert to fraction form
    19,934.64/27,509.90 = 10,982.97/x
  3. Step 3: Cross multiply
    19,934.64x = 27,509.90 × 10,982.97
  4. Step 4: Simplify right side
    19,934.64x = 302,140,351.49
  5. Step 5: Solve for x
    x = 302,140,351.49/19,934.64
  6. Step 6: Final answer
    x = 15,156.55

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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.