Home / 19,452.99-29,154.10-8,919.21

Finding the Fourth Proportional to 19,452.99, 29,154.10 and 8,919.21

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Solution

The fourth proportional to 19,452.99, 29,154.10 and 8,919.21 is: 13,367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,452.99 : 29,154.10 = 8,919.21 : x
  2. Step 2: Convert to fraction form
    19,452.99/29,154.10 = 8,919.21/x
  3. Step 3: Cross multiply
    19,452.99x = 29,154.10 × 8,919.21
  4. Step 4: Simplify right side
    19,452.99x = 260,031,540.26
  5. Step 5: Solve for x
    x = 260,031,540.26/19,452.99
  6. Step 6: Final answer
    x = 13,367.18

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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.