Home / 15,367.26-21,207.87-8,653.50

Finding the Fourth Proportional to 15,367.26, 21,207.87 and 8,653.50

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Solution

The fourth proportional to 15,367.26, 21,207.87 and 8,653.50 is: 11,942.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,367.26 : 21,207.87 = 8,653.50 : x
  2. Step 2: Convert to fraction form
    15,367.26/21,207.87 = 8,653.50/x
  3. Step 3: Cross multiply
    15,367.26x = 21,207.87 × 8,653.50
  4. Step 4: Simplify right side
    15,367.26x = 183,522,303.05
  5. Step 5: Solve for x
    x = 183,522,303.05/15,367.26
  6. Step 6: Final answer
    x = 11,942.42

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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.