Home / 15,509.88-23,274.39-7,188.35

Finding the Fourth Proportional to 15,509.88, 23,274.39 and 7,188.35

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Solution

The fourth proportional to 15,509.88, 23,274.39 and 7,188.35 is: 10,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,509.88 : 23,274.39 = 7,188.35 : x
  2. Step 2: Convert to fraction form
    15,509.88/23,274.39 = 7,188.35/x
  3. Step 3: Cross multiply
    15,509.88x = 23,274.39 × 7,188.35
  4. Step 4: Simplify right side
    15,509.88x = 167,304,344.98
  5. Step 5: Solve for x
    x = 167,304,344.98/15,509.88
  6. Step 6: Final answer
    x = 10,786.95

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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.