Home / 13,235.27-19,861.12-8,247.43

Finding the Fourth Proportional to 13,235.27, 19,861.12 and 8,247.43

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Solution

The fourth proportional to 13,235.27, 19,861.12 and 8,247.43 is: 12,376.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.27 : 19,861.12 = 8,247.43 : x
  2. Step 2: Convert to fraction form
    13,235.27/19,861.12 = 8,247.43/x
  3. Step 3: Cross multiply
    13,235.27x = 19,861.12 × 8,247.43
  4. Step 4: Simplify right side
    13,235.27x = 163,803,097.62
  5. Step 5: Solve for x
    x = 163,803,097.62/13,235.27
  6. Step 6: Final answer
    x = 12,376.26

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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.