Home / 19,955.15-27,538.28-11,002.97

Finding the Fourth Proportional to 19,955.15, 27,538.28 and 11,002.97

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Solution

The fourth proportional to 19,955.15, 27,538.28 and 11,002.97 is: 15,184.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.15 : 27,538.28 = 11,002.97 : x
  2. Step 2: Convert to fraction form
    19,955.15/27,538.28 = 11,002.97/x
  3. Step 3: Cross multiply
    19,955.15x = 27,538.28 × 11,002.97
  4. Step 4: Simplify right side
    19,955.15x = 303,002,675.99
  5. Step 5: Solve for x
    x = 303,002,675.99/19,955.15
  6. Step 6: Final answer
    x = 15,184.19

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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.