Home / 18,612.19-25,688.87-11,448.26

Finding the Fourth Proportional to 18,612.19, 25,688.87 and 11,448.26

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Solution

The fourth proportional to 18,612.19, 25,688.87 and 11,448.26 is: 15,801.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612.19 : 25,688.87 = 11,448.26 : x
  2. Step 2: Convert to fraction form
    18,612.19/25,688.87 = 11,448.26/x
  3. Step 3: Cross multiply
    18,612.19x = 25,688.87 × 11,448.26
  4. Step 4: Simplify right side
    18,612.19x = 294,092,862.87
  5. Step 5: Solve for x
    x = 294,092,862.87/18,612.19
  6. Step 6: Final answer
    x = 15,801.09

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Half scale
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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.