Home / 21,660.06-32,491.28-6,867.91

Finding the Fourth Proportional to 21,660.06, 32,491.28 and 6,867.91

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Solution

The fourth proportional to 21,660.06, 32,491.28 and 6,867.91 is: 10,302.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,660.06 : 32,491.28 = 6,867.91 : x
  2. Step 2: Convert to fraction form
    21,660.06/32,491.28 = 6,867.91/x
  3. Step 3: Cross multiply
    21,660.06x = 32,491.28 × 6,867.91
  4. Step 4: Simplify right side
    21,660.06x = 223,147,071.26
  5. Step 5: Solve for x
    x = 223,147,071.26/21,660.06
  6. Step 6: Final answer
    x = 10,302.24

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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.