Home / 19,955.41-27,539.70-11,002.90

Finding the Fourth Proportional to 19,955.41, 27,539.70 and 11,002.90

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Solution

The fourth proportional to 19,955.41, 27,539.70 and 11,002.90 is: 15,184.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.41 : 27,539.70 = 11,002.90 : x
  2. Step 2: Convert to fraction form
    19,955.41/27,539.70 = 11,002.90/x
  3. Step 3: Cross multiply
    19,955.41x = 27,539.70 × 11,002.90
  4. Step 4: Simplify right side
    19,955.41x = 303,016,465.27
  5. Step 5: Solve for x
    x = 303,016,465.27/19,955.41
  6. Step 6: Final answer
    x = 15,184.68

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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.