Home / 14,909.48-20,575.18-8,195.24

Finding the Fourth Proportional to 14,909.48, 20,575.18 and 8,195.24

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Solution

The fourth proportional to 14,909.48, 20,575.18 and 8,195.24 is: 11,309.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.48 : 20,575.18 = 8,195.24 : x
  2. Step 2: Convert to fraction form
    14,909.48/20,575.18 = 8,195.24/x
  3. Step 3: Cross multiply
    14,909.48x = 20,575.18 × 8,195.24
  4. Step 4: Simplify right side
    14,909.48x = 168,618,538.14
  5. Step 5: Solve for x
    x = 168,618,538.14/14,909.48
  6. Step 6: Final answer
    x = 11,309.48

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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.