Home / 13,311.12-19,967.03-4,545.95

Finding the Fourth Proportional to 13,311.12, 19,967.03 and 4,545.95

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Solution

The fourth proportional to 13,311.12, 19,967.03 and 4,545.95 is: 6,819.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311.12 : 19,967.03 = 4,545.95 : x
  2. Step 2: Convert to fraction form
    13,311.12/19,967.03 = 4,545.95/x
  3. Step 3: Cross multiply
    13,311.12x = 19,967.03 × 4,545.95
  4. Step 4: Simplify right side
    13,311.12x = 90,768,997.46
  5. Step 5: Solve for x
    x = 90,768,997.46/13,311.12
  6. Step 6: Final answer
    x = 6,819.04

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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.