Home / 14,210.97-21,316.45-7,889.73

Finding the Fourth Proportional to 14,210.97, 21,316.45 and 7,889.73

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Solution

The fourth proportional to 14,210.97, 21,316.45 and 7,889.73 is: 11,834.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,210.97 : 21,316.45 = 7,889.73 : x
  2. Step 2: Convert to fraction form
    14,210.97/21,316.45 = 7,889.73/x
  3. Step 3: Cross multiply
    14,210.97x = 21,316.45 × 7,889.73
  4. Step 4: Simplify right side
    14,210.97x = 168,181,035.06
  5. Step 5: Solve for x
    x = 168,181,035.06/14,210.97
  6. Step 6: Final answer
    x = 11,834.59

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Similar ratio
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1.5x scale

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.