Home / 22,584.92-31,168.36-13,632.30

Finding the Fourth Proportional to 22,584.92, 31,168.36 and 13,632.30

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Solution

The fourth proportional to 22,584.92, 31,168.36 and 13,632.30 is: 18,813.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,584.92 : 31,168.36 = 13,632.30 : x
  2. Step 2: Convert to fraction form
    22,584.92/31,168.36 = 13,632.30/x
  3. Step 3: Cross multiply
    22,584.92x = 31,168.36 × 13,632.30
  4. Step 4: Simplify right side
    22,584.92x = 424,896,434.03
  5. Step 5: Solve for x
    x = 424,896,434.03/22,584.92
  6. Step 6: Final answer
    x = 18,813.28

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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.