Home / 15,684.52-21,644.55-8,514.58

Finding the Fourth Proportional to 15,684.52, 21,644.55 and 8,514.58

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Solution

The fourth proportional to 15,684.52, 21,644.55 and 8,514.58 is: 11,750.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,684.52 : 21,644.55 = 8,514.58 : x
  2. Step 2: Convert to fraction form
    15,684.52/21,644.55 = 8,514.58/x
  3. Step 3: Cross multiply
    15,684.52x = 21,644.55 × 8,514.58
  4. Step 4: Simplify right side
    15,684.52x = 184,294,252.54
  5. Step 5: Solve for x
    x = 184,294,252.54/15,684.52
  6. Step 6: Final answer
    x = 11,750.07

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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.