Home / 13,979.22-19,291.68-7,606.18

Finding the Fourth Proportional to 13,979.22, 19,291.68 and 7,606.18

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Solution

The fourth proportional to 13,979.22, 19,291.68 and 7,606.18 is: 10,496.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979.22 : 19,291.68 = 7,606.18 : x
  2. Step 2: Convert to fraction form
    13,979.22/19,291.68 = 7,606.18/x
  3. Step 3: Cross multiply
    13,979.22x = 19,291.68 × 7,606.18
  4. Step 4: Simplify right side
    13,979.22x = 146,735,990.58
  5. Step 5: Solve for x
    x = 146,735,990.58/13,979.22
  6. Step 6: Final answer
    x = 10,496.72

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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.