Home / 19,618.22-29,410.74-8,516.57

Finding the Fourth Proportional to 19,618.22, 29,410.74 and 8,516.57

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Solution

The fourth proportional to 19,618.22, 29,410.74 and 8,516.57 is: 12,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.22 : 29,410.74 = 8,516.57 : x
  2. Step 2: Convert to fraction form
    19,618.22/29,410.74 = 8,516.57/x
  3. Step 3: Cross multiply
    19,618.22x = 29,410.74 × 8,516.57
  4. Step 4: Simplify right side
    19,618.22x = 250,478,478.91
  5. Step 5: Solve for x
    x = 250,478,478.91/19,618.22
  6. Step 6: Final answer
    x = 12,767.65

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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.