Home / 21,760.08-32,640.42-6,177.71

Finding the Fourth Proportional to 21,760.08, 32,640.42 and 6,177.71

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Solution

The fourth proportional to 21,760.08, 32,640.42 and 6,177.71 is: 9,266.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,760.08 : 32,640.42 = 6,177.71 : x
  2. Step 2: Convert to fraction form
    21,760.08/32,640.42 = 6,177.71/x
  3. Step 3: Cross multiply
    21,760.08x = 32,640.42 × 6,177.71
  4. Step 4: Simplify right side
    21,760.08x = 201,642,885.84
  5. Step 5: Solve for x
    x = 201,642,885.84/21,760.08
  6. Step 6: Final answer
    x = 9,266.64

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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.