Home / 19,508.85-29,250.32-8,412.66

Finding the Fourth Proportional to 19,508.85, 29,250.32 and 8,412.66

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Solution

The fourth proportional to 19,508.85, 29,250.32 and 8,412.66 is: 12,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508.85 : 29,250.32 = 8,412.66 : x
  2. Step 2: Convert to fraction form
    19,508.85/29,250.32 = 8,412.66/x
  3. Step 3: Cross multiply
    19,508.85x = 29,250.32 × 8,412.66
  4. Step 4: Simplify right side
    19,508.85x = 246,072,954.99
  5. Step 5: Solve for x
    x = 246,072,954.99/19,508.85
  6. Step 6: Final answer
    x = 12,613.40

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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.