Home / 13,447.08-20,166.42-9,313.68

Finding the Fourth Proportional to 13,447.08, 20,166.42 and 9,313.68

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Solution

The fourth proportional to 13,447.08, 20,166.42 and 9,313.68 is: 13,967.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447.08 : 20,166.42 = 9,313.68 : x
  2. Step 2: Convert to fraction form
    13,447.08/20,166.42 = 9,313.68/x
  3. Step 3: Cross multiply
    13,447.08x = 20,166.42 × 9,313.68
  4. Step 4: Simplify right side
    13,447.08x = 187,823,582.63
  5. Step 5: Solve for x
    x = 187,823,582.63/13,447.08
  6. Step 6: Final answer
    x = 13,967.61

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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.