Home / 20,164.08-30,246.12-8,317.68

Finding the Fourth Proportional to 20,164.08, 30,246.12 and 8,317.68

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Solution

The fourth proportional to 20,164.08, 30,246.12 and 8,317.68 is: 12,476.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,164.08 : 30,246.12 = 8,317.68 : x
  2. Step 2: Convert to fraction form
    20,164.08/30,246.12 = 8,317.68/x
  3. Step 3: Cross multiply
    20,164.08x = 30,246.12 × 8,317.68
  4. Step 4: Simplify right side
    20,164.08x = 251,577,547.40
  5. Step 5: Solve for x
    x = 251,577,547.40/20,164.08
  6. Step 6: Final answer
    x = 12,476.52

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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.