Home / 13,235.52-19,861.50-8,247.68

Finding the Fourth Proportional to 13,235.52, 19,861.50 and 8,247.68

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Solution

The fourth proportional to 13,235.52, 19,861.50 and 8,247.68 is: 12,376.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.52 : 19,861.50 = 8,247.68 : x
  2. Step 2: Convert to fraction form
    13,235.52/19,861.50 = 8,247.68/x
  3. Step 3: Cross multiply
    13,235.52x = 19,861.50 × 8,247.68
  4. Step 4: Simplify right side
    13,235.52x = 163,811,155.77
  5. Step 5: Solve for x
    x = 163,811,155.77/13,235.52
  6. Step 6: Final answer
    x = 12,376.64

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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.