Home / 14,578.83-20,113.25-8,909.03

Finding the Fourth Proportional to 14,578.83, 20,113.25 and 8,909.03

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Solution

The fourth proportional to 14,578.83, 20,113.25 and 8,909.03 is: 12,291.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,578.83 : 20,113.25 = 8,909.03 : x
  2. Step 2: Convert to fraction form
    14,578.83/20,113.25 = 8,909.03/x
  3. Step 3: Cross multiply
    14,578.83x = 20,113.25 × 8,909.03
  4. Step 4: Simplify right side
    14,578.83x = 179,189,553.39
  5. Step 5: Solve for x
    x = 179,189,553.39/14,578.83
  6. Step 6: Final answer
    x = 12,291.08

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Double scale
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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.