Home / 15,378.39-23,089.46-11,704.23

Finding the Fourth Proportional to 15,378.39, 23,089.46 and 11,704.23

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Solution

The fourth proportional to 15,378.39, 23,089.46 and 11,704.23 is: 17,572.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378.39 : 23,089.46 = 11,704.23 : x
  2. Step 2: Convert to fraction form
    15,378.39/23,089.46 = 11,704.23/x
  3. Step 3: Cross multiply
    15,378.39x = 23,089.46 × 11,704.23
  4. Step 4: Simplify right side
    15,378.39x = 270,244,291.89
  5. Step 5: Solve for x
    x = 270,244,291.89/15,378.39
  6. Step 6: Final answer
    x = 17,572.99

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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.