Home / 21,931.94-32,900-6,136.97

Finding the Fourth Proportional to 21,931.94, 32,900 and 6,136.97

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Solution

The fourth proportional to 21,931.94, 32,900 and 6,136.97 is: 9,206.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,931.94 : 32,900 = 6,136.97 : x
  2. Step 2: Convert to fraction form
    21,931.94/32,900 = 6,136.97/x
  3. Step 3: Cross multiply
    21,931.94x = 32,900 × 6,136.97
  4. Step 4: Simplify right side
    21,931.94x = 201,906,313
  5. Step 5: Solve for x
    x = 201,906,313/21,931.94
  6. Step 6: Final answer
    x = 9,206.04

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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.