Home / 21,596.49-32,399.13-9,116.52

Finding the Fourth Proportional to 21,596.49, 32,399.13 and 9,116.52

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Solution

The fourth proportional to 21,596.49, 32,399.13 and 9,116.52 is: 13,676.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,596.49 : 32,399.13 = 9,116.52 : x
  2. Step 2: Convert to fraction form
    21,596.49/32,399.13 = 9,116.52/x
  3. Step 3: Cross multiply
    21,596.49x = 32,399.13 × 9,116.52
  4. Step 4: Simplify right side
    21,596.49x = 295,367,316.63
  5. Step 5: Solve for x
    x = 295,367,316.63/21,596.49
  6. Step 6: Final answer
    x = 13,676.64

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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.