Home / 15,336.96-21,245.12-15,025.92

Finding the Fourth Proportional to 15,336.96, 21,245.12 and 15,025.92

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Solution

The fourth proportional to 15,336.96, 21,245.12 and 15,025.92 is: 20,814.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,336.96 : 21,245.12 = 15,025.92 : x
  2. Step 2: Convert to fraction form
    15,336.96/21,245.12 = 15,025.92/x
  3. Step 3: Cross multiply
    15,336.96x = 21,245.12 × 15,025.92
  4. Step 4: Simplify right side
    15,336.96x = 319,227,473.51
  5. Step 5: Solve for x
    x = 319,227,473.51/15,336.96
  6. Step 6: Final answer
    x = 20,814.26

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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 (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.