Home / 19,851.74-27,395.46-10,899.82

Finding the Fourth Proportional to 19,851.74, 27,395.46 and 10,899.82

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Solution

The fourth proportional to 19,851.74, 27,395.46 and 10,899.82 is: 15,041.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851.74 : 27,395.46 = 10,899.82 : x
  2. Step 2: Convert to fraction form
    19,851.74/27,395.46 = 10,899.82/x
  3. Step 3: Cross multiply
    19,851.74x = 27,395.46 × 10,899.82
  4. Step 4: Simplify right side
    19,851.74x = 298,605,604.49
  5. Step 5: Solve for x
    x = 298,605,604.49/19,851.74
  6. Step 6: Final answer
    x = 15,041.78

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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.