Home / 15,536.40-23,296.10-12,239.70

Finding the Fourth Proportional to 15,536.40, 23,296.10 and 12,239.70

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Solution

The fourth proportional to 15,536.40, 23,296.10 and 12,239.70 is: 18,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.40 : 23,296.10 = 12,239.70 : x
  2. Step 2: Convert to fraction form
    15,536.40/23,296.10 = 12,239.70/x
  3. Step 3: Cross multiply
    15,536.40x = 23,296.10 × 12,239.70
  4. Step 4: Simplify right side
    15,536.40x = 285,137,213.97
  5. Step 5: Solve for x
    x = 285,137,213.97/15,536.40
  6. Step 6: Final answer
    x = 18,352.85

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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.