Home / 11,618.92-17,429.05-3,298.29

Finding the Fourth Proportional to 11,618.92, 17,429.05 and 3,298.29

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Solution

The fourth proportional to 11,618.92, 17,429.05 and 3,298.29 is: 4,947.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618.92 : 17,429.05 = 3,298.29 : x
  2. Step 2: Convert to fraction form
    11,618.92/17,429.05 = 3,298.29/x
  3. Step 3: Cross multiply
    11,618.92x = 17,429.05 × 3,298.29
  4. Step 4: Simplify right side
    11,618.92x = 57,486,009.51
  5. Step 5: Solve for x
    x = 57,486,009.51/11,618.92
  6. Step 6: Final answer
    x = 4,947.62

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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.