Home / 21,437.92-32,164.44-6,650.56

Finding the Fourth Proportional to 21,437.92, 32,164.44 and 6,650.56

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Solution

The fourth proportional to 21,437.92, 32,164.44 and 6,650.56 is: 9,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,437.92 : 32,164.44 = 6,650.56 : x
  2. Step 2: Convert to fraction form
    21,437.92/32,164.44 = 6,650.56/x
  3. Step 3: Cross multiply
    21,437.92x = 32,164.44 × 6,650.56
  4. Step 4: Simplify right side
    21,437.92x = 213,911,538.09
  5. Step 5: Solve for x
    x = 213,911,538.09/21,437.92
  6. Step 6: Final answer
    x = 9,978.19

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1.5x scale

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.