Home / 12,981.69-19,472.51-5,957.06

Finding the Fourth Proportional to 12,981.69, 19,472.51 and 5,957.06

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Solution

The fourth proportional to 12,981.69, 19,472.51 and 5,957.06 is: 8,935.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,981.69 : 19,472.51 = 5,957.06 : x
  2. Step 2: Convert to fraction form
    12,981.69/19,472.51 = 5,957.06/x
  3. Step 3: Cross multiply
    12,981.69x = 19,472.51 × 5,957.06
  4. Step 4: Simplify right side
    12,981.69x = 115,998,783.27
  5. Step 5: Solve for x
    x = 115,998,783.27/12,981.69
  6. Step 6: Final answer
    x = 8,935.57

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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.