Home / 20,708.13-31,050.34-9,609.10

Finding the Fourth Proportional to 20,708.13, 31,050.34 and 9,609.10

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Solution

The fourth proportional to 20,708.13, 31,050.34 and 9,609.10 is: 14,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,708.13 : 31,050.34 = 9,609.10 : x
  2. Step 2: Convert to fraction form
    20,708.13/31,050.34 = 9,609.10/x
  3. Step 3: Cross multiply
    20,708.13x = 31,050.34 × 9,609.10
  4. Step 4: Simplify right side
    20,708.13x = 298,365,822.09
  5. Step 5: Solve for x
    x = 298,365,822.09/20,708.13
  6. Step 6: Final answer
    x = 14,408.15

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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.