Home / 21,511.92-32,266.72-6,719.14

Finding the Fourth Proportional to 21,511.92, 32,266.72 and 6,719.14

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Solution

The fourth proportional to 21,511.92, 32,266.72 and 6,719.14 is: 10,078.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,511.92 : 32,266.72 = 6,719.14 : x
  2. Step 2: Convert to fraction form
    21,511.92/32,266.72 = 6,719.14/x
  3. Step 3: Cross multiply
    21,511.92x = 32,266.72 × 6,719.14
  4. Step 4: Simplify right side
    21,511.92x = 216,804,609.02
  5. Step 5: Solve for x
    x = 216,804,609.02/21,511.92
  6. Step 6: Final answer
    x = 10,078.35

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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.