Home / 21,511.42-32,265.97-6,718.64

Finding the Fourth Proportional to 21,511.42, 32,265.97 and 6,718.64

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Solution

The fourth proportional to 21,511.42, 32,265.97 and 6,718.64 is: 10,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,511.42 : 32,265.97 = 6,718.64 : x
  2. Step 2: Convert to fraction form
    21,511.42/32,265.97 = 6,718.64/x
  3. Step 3: Cross multiply
    21,511.42x = 32,265.97 × 6,718.64
  4. Step 4: Simplify right side
    21,511.42x = 216,783,436.68
  5. Step 5: Solve for x
    x = 216,783,436.68/21,511.42
  6. Step 6: Final answer
    x = 10,077.60

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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.