Home / 19,908.81-29,867.13-6,581.28

Finding the Fourth Proportional to 19,908.81, 29,867.13 and 6,581.28

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Solution

The fourth proportional to 19,908.81, 29,867.13 and 6,581.28 is: 9,873.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908.81 : 29,867.13 = 6,581.28 : x
  2. Step 2: Convert to fraction form
    19,908.81/29,867.13 = 6,581.28/x
  3. Step 3: Cross multiply
    19,908.81x = 29,867.13 × 6,581.28
  4. Step 4: Simplify right side
    19,908.81x = 196,563,945.33
  5. Step 5: Solve for x
    x = 196,563,945.33/19,908.81
  6. Step 6: Final answer
    x = 9,873.21

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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.