Home / 13,165.99-19,748.98-4,400.90

Finding the Fourth Proportional to 13,165.99, 19,748.98 and 4,400.90

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Solution

The fourth proportional to 13,165.99, 19,748.98 and 4,400.90 is: 6,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.99 : 19,748.98 = 4,400.90 : x
  2. Step 2: Convert to fraction form
    13,165.99/19,748.98 = 4,400.90/x
  3. Step 3: Cross multiply
    13,165.99x = 19,748.98 × 4,400.90
  4. Step 4: Simplify right side
    13,165.99x = 86,913,286.08
  5. Step 5: Solve for x
    x = 86,913,286.08/13,165.99
  6. Step 6: Final answer
    x = 6,601.35

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Similar ratio
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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.