Home / 14,219.69-19,622.35-8,553.13

Finding the Fourth Proportional to 14,219.69, 19,622.35 and 8,553.13

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Solution

The fourth proportional to 14,219.69, 19,622.35 and 8,553.13 is: 11,802.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.69 : 19,622.35 = 8,553.13 : x
  2. Step 2: Convert to fraction form
    14,219.69/19,622.35 = 8,553.13/x
  3. Step 3: Cross multiply
    14,219.69x = 19,622.35 × 8,553.13
  4. Step 4: Simplify right side
    14,219.69x = 167,832,472.09
  5. Step 5: Solve for x
    x = 167,832,472.09/14,219.69
  6. Step 6: Final answer
    x = 11,802.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.