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Finding the Fourth Proportional to 13,349, 20,025.12 and 4,115

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Solution

The fourth proportional to 13,349, 20,025.12 and 4,115 is: 6,173.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349 : 20,025.12 = 4,115 : x
  2. Step 2: Convert to fraction form
    13,349/20,025.12 = 4,115/x
  3. Step 3: Cross multiply
    13,349x = 20,025.12 × 4,115
  4. Step 4: Simplify right side
    13,349x = 82,403,368.80
  5. Step 5: Solve for x
    x = 82,403,368.80/13,349
  6. Step 6: Final answer
    x = 6,173.00

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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.