Home / 15,496.68-21,388.26-9,212.52

Finding the Fourth Proportional to 15,496.68, 21,388.26 and 9,212.52

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Solution

The fourth proportional to 15,496.68, 21,388.26 and 9,212.52 is: 12,714.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,496.68 : 21,388.26 = 9,212.52 : x
  2. Step 2: Convert to fraction form
    15,496.68/21,388.26 = 9,212.52/x
  3. Step 3: Cross multiply
    15,496.68x = 21,388.26 × 9,212.52
  4. Step 4: Simplify right side
    15,496.68x = 197,039,773.02
  5. Step 5: Solve for x
    x = 197,039,773.02/15,496.68
  6. Step 6: Final answer
    x = 12,714.97

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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.