Home / 22,181.85-30,613.64-12,624.08

Finding the Fourth Proportional to 22,181.85, 30,613.64 and 12,624.08

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Solution

The fourth proportional to 22,181.85, 30,613.64 and 12,624.08 is: 17,422.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,181.85 : 30,613.64 = 12,624.08 : x
  2. Step 2: Convert to fraction form
    22,181.85/30,613.64 = 12,624.08/x
  3. Step 3: Cross multiply
    22,181.85x = 30,613.64 × 12,624.08
  4. Step 4: Simplify right side
    22,181.85x = 386,468,824.26
  5. Step 5: Solve for x
    x = 386,468,824.26/22,181.85
  6. Step 6: Final answer
    x = 17,422.75

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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.