Home / 12,981.11-19,473.01-5,959.91

Finding the Fourth Proportional to 12,981.11, 19,473.01 and 5,959.91

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Solution

The fourth proportional to 12,981.11, 19,473.01 and 5,959.91 is: 8,940.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,981.11 : 19,473.01 = 5,959.91 : x
  2. Step 2: Convert to fraction form
    12,981.11/19,473.01 = 5,959.91/x
  3. Step 3: Cross multiply
    12,981.11x = 19,473.01 × 5,959.91
  4. Step 4: Simplify right side
    12,981.11x = 116,057,420.81
  5. Step 5: Solve for x
    x = 116,057,420.81/12,981.11
  6. Step 6: Final answer
    x = 8,940.49

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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.