Home / 15,340.36-21,169.14-8,626.36

Finding the Fourth Proportional to 15,340.36, 21,169.14 and 8,626.36

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Solution

The fourth proportional to 15,340.36, 21,169.14 and 8,626.36 is: 11,904.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340.36 : 21,169.14 = 8,626.36 : x
  2. Step 2: Convert to fraction form
    15,340.36/21,169.14 = 8,626.36/x
  3. Step 3: Cross multiply
    15,340.36x = 21,169.14 × 8,626.36
  4. Step 4: Simplify right side
    15,340.36x = 182,612,622.53
  5. Step 5: Solve for x
    x = 182,612,622.53/15,340.36
  6. Step 6: Final answer
    x = 11,904.06

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Double scale
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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.