Home / 21,660.09-32,491.41-6,077.71

Finding the Fourth Proportional to 21,660.09, 32,491.41 and 6,077.71

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Solution

The fourth proportional to 21,660.09, 32,491.41 and 6,077.71 is: 9,116.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,660.09 : 32,491.41 = 6,077.71 : x
  2. Step 2: Convert to fraction form
    21,660.09/32,491.41 = 6,077.71/x
  3. Step 3: Cross multiply
    21,660.09x = 32,491.41 × 6,077.71
  4. Step 4: Simplify right side
    21,660.09x = 197,473,367.47
  5. Step 5: Solve for x
    x = 197,473,367.47/21,660.09
  6. Step 6: Final answer
    x = 9,116.92

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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.