Home / 15,367.62-21,207.51-8,653.26

Finding the Fourth Proportional to 15,367.62, 21,207.51 and 8,653.26

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Solution

The fourth proportional to 15,367.62, 21,207.51 and 8,653.26 is: 11,941.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,367.62 : 21,207.51 = 8,653.26 : x
  2. Step 2: Convert to fraction form
    15,367.62/21,207.51 = 8,653.26/x
  3. Step 3: Cross multiply
    15,367.62x = 21,207.51 × 8,653.26
  4. Step 4: Simplify right side
    15,367.62x = 183,514,097.98
  5. Step 5: Solve for x
    x = 183,514,097.98/15,367.62
  6. Step 6: Final answer
    x = 11,941.61

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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.