Home / 15,550.36-21,460.08-8,837.13

Finding the Fourth Proportional to 15,550.36, 21,460.08 and 8,837.13

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Solution

The fourth proportional to 15,550.36, 21,460.08 and 8,837.13 is: 12,195.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550.36 : 21,460.08 = 8,837.13 : x
  2. Step 2: Convert to fraction form
    15,550.36/21,460.08 = 8,837.13/x
  3. Step 3: Cross multiply
    15,550.36x = 21,460.08 × 8,837.13
  4. Step 4: Simplify right side
    15,550.36x = 189,645,516.77
  5. Step 5: Solve for x
    x = 189,645,516.77/15,550.36
  6. Step 6: Final answer
    x = 12,195.57

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Half scale
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Double scale
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Similar ratio
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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.