Home / 19,664.28-27,136.94-10,711.86

Finding the Fourth Proportional to 19,664.28, 27,136.94 and 10,711.86

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Solution

The fourth proportional to 19,664.28, 27,136.94 and 10,711.86 is: 14,782.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,664.28 : 27,136.94 = 10,711.86 : x
  2. Step 2: Convert to fraction form
    19,664.28/27,136.94 = 10,711.86/x
  3. Step 3: Cross multiply
    19,664.28x = 27,136.94 × 10,711.86
  4. Step 4: Simplify right side
    19,664.28x = 290,687,102.11
  5. Step 5: Solve for x
    x = 290,687,102.11/19,664.28
  6. Step 6: Final answer
    x = 14,782.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.