Home / 19,931.49-29,918.03-8,845.97

Finding the Fourth Proportional to 19,931.49, 29,918.03 and 8,845.97

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Solution

The fourth proportional to 19,931.49, 29,918.03 and 8,845.97 is: 13,278.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931.49 : 29,918.03 = 8,845.97 : x
  2. Step 2: Convert to fraction form
    19,931.49/29,918.03 = 8,845.97/x
  3. Step 3: Cross multiply
    19,931.49x = 29,918.03 × 8,845.97
  4. Step 4: Simplify right side
    19,931.49x = 264,653,802.02
  5. Step 5: Solve for x
    x = 264,653,802.02/19,931.49
  6. Step 6: Final answer
    x = 13,278.17

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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.