Home / 15,326.01-21,150.26-8,611.24

Finding the Fourth Proportional to 15,326.01, 21,150.26 and 8,611.24

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Solution

The fourth proportional to 15,326.01, 21,150.26 and 8,611.24 is: 11,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,326.01 : 21,150.26 = 8,611.24 : x
  2. Step 2: Convert to fraction form
    15,326.01/21,150.26 = 8,611.24/x
  3. Step 3: Cross multiply
    15,326.01x = 21,150.26 × 8,611.24
  4. Step 4: Simplify right side
    15,326.01x = 182,129,929.89
  5. Step 5: Solve for x
    x = 182,129,929.89/15,326.01
  6. Step 6: Final answer
    x = 11,883.71

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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.