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Finding the Fourth Proportional to 13,353.00, 20,034.12 and 5,035.40

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Solution

The fourth proportional to 13,353.00, 20,034.12 and 5,035.40 is: 7,554.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.00 : 20,034.12 = 5,035.40 : x
  2. Step 2: Convert to fraction form
    13,353.00/20,034.12 = 5,035.40/x
  3. Step 3: Cross multiply
    13,353.00x = 20,034.12 × 5,035.40
  4. Step 4: Simplify right side
    13,353.00x = 100,879,773.36
  5. Step 5: Solve for x
    x = 100,879,773.36/13,353.00
  6. Step 6: Final answer
    x = 7,554.84

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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.