Home / 13,234.28-18,263.52-7,266.50

Finding the Fourth Proportional to 13,234.28, 18,263.52 and 7,266.50

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Solution

The fourth proportional to 13,234.28, 18,263.52 and 7,266.50 is: 10,027.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,234.28 : 18,263.52 = 7,266.50 : x
  2. Step 2: Convert to fraction form
    13,234.28/18,263.52 = 7,266.50/x
  3. Step 3: Cross multiply
    13,234.28x = 18,263.52 × 7,266.50
  4. Step 4: Simplify right side
    13,234.28x = 132,711,868.08
  5. Step 5: Solve for x
    x = 132,711,868.08/13,234.28
  6. Step 6: Final answer
    x = 10,027.89

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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.