Home / 19,614.68-29,418.92-8,518.40

Finding the Fourth Proportional to 19,614.68, 29,418.92 and 8,518.40

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Solution

The fourth proportional to 19,614.68, 29,418.92 and 8,518.40 is: 12,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,614.68 : 29,418.92 = 8,518.40 : x
  2. Step 2: Convert to fraction form
    19,614.68/29,418.92 = 8,518.40/x
  3. Step 3: Cross multiply
    19,614.68x = 29,418.92 × 8,518.40
  4. Step 4: Simplify right side
    19,614.68x = 250,601,938.44
  5. Step 5: Solve for x
    x = 250,601,938.44/19,614.68
  6. Step 6: Final answer
    x = 12,776.24

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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.