Home / 14,456.03-19,949.81-8,168.81

Finding the Fourth Proportional to 14,456.03, 19,949.81 and 8,168.81

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Solution

The fourth proportional to 14,456.03, 19,949.81 and 8,168.81 is: 11,273.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.03 : 19,949.81 = 8,168.81 : x
  2. Step 2: Convert to fraction form
    14,456.03/19,949.81 = 8,168.81/x
  3. Step 3: Cross multiply
    14,456.03x = 19,949.81 × 8,168.81
  4. Step 4: Simplify right side
    14,456.03x = 162,966,166.58
  5. Step 5: Solve for x
    x = 162,966,166.58/14,456.03
  6. Step 6: Final answer
    x = 11,273.23

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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.