Home / 18,396.74-27,570.27-13,191.14

Finding the Fourth Proportional to 18,396.74, 27,570.27 and 13,191.14

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Solution

The fourth proportional to 18,396.74, 27,570.27 and 13,191.14 is: 19,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,396.74 : 27,570.27 = 13,191.14 : x
  2. Step 2: Convert to fraction form
    18,396.74/27,570.27 = 13,191.14/x
  3. Step 3: Cross multiply
    18,396.74x = 27,570.27 × 13,191.14
  4. Step 4: Simplify right side
    18,396.74x = 363,683,291.41
  5. Step 5: Solve for x
    x = 363,683,291.41/18,396.74
  6. Step 6: Final answer
    x = 19,768.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.