Home / 21,036.96-31,555.44-6,246.18

Finding the Fourth Proportional to 21,036.96, 31,555.44 and 6,246.18

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Solution

The fourth proportional to 21,036.96, 31,555.44 and 6,246.18 is: 9,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,036.96 : 31,555.44 = 6,246.18 : x
  2. Step 2: Convert to fraction form
    21,036.96/31,555.44 = 6,246.18/x
  3. Step 3: Cross multiply
    21,036.96x = 31,555.44 × 6,246.18
  4. Step 4: Simplify right side
    21,036.96x = 197,100,958.22
  5. Step 5: Solve for x
    x = 197,100,958.22/21,036.96
  6. Step 6: Final answer
    x = 9,369.27

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