Home / 19,981.41-29,962.80-5,936.28

Finding the Fourth Proportional to 19,981.41, 29,962.80 and 5,936.28

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Solution

The fourth proportional to 19,981.41, 29,962.80 and 5,936.28 is: 8,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981.41 : 29,962.80 = 5,936.28 : x
  2. Step 2: Convert to fraction form
    19,981.41/29,962.80 = 5,936.28/x
  3. Step 3: Cross multiply
    19,981.41x = 29,962.80 × 5,936.28
  4. Step 4: Simplify right side
    19,981.41x = 177,867,570.38
  5. Step 5: Solve for x
    x = 177,867,570.38/19,981.41
  6. Step 6: Final answer
    x = 8,901.65

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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.