Home / 13,930.05-19,224.36-9,206.13

Finding the Fourth Proportional to 13,930.05, 19,224.36 and 9,206.13

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Solution

The fourth proportional to 13,930.05, 19,224.36 and 9,206.13 is: 12,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930.05 : 19,224.36 = 9,206.13 : x
  2. Step 2: Convert to fraction form
    13,930.05/19,224.36 = 9,206.13/x
  3. Step 3: Cross multiply
    13,930.05x = 19,224.36 × 9,206.13
  4. Step 4: Simplify right side
    13,930.05x = 176,981,957.33
  5. Step 5: Solve for x
    x = 176,981,957.33/13,930.05
  6. Step 6: Final answer
    x = 12,705.05

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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.