Home / 19,969.03-29,960.58-8,874.70

Finding the Fourth Proportional to 19,969.03, 29,960.58 and 8,874.70

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Solution

The fourth proportional to 19,969.03, 29,960.58 and 8,874.70 is: 13,315.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969.03 : 29,960.58 = 8,874.70 : x
  2. Step 2: Convert to fraction form
    19,969.03/29,960.58 = 8,874.70/x
  3. Step 3: Cross multiply
    19,969.03x = 29,960.58 × 8,874.70
  4. Step 4: Simplify right side
    19,969.03x = 265,891,117.70
  5. Step 5: Solve for x
    x = 265,891,117.70/19,969.03
  6. Step 6: Final answer
    x = 13,315.17

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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.