Home / 20,003.19-30,011.26-9,615.75

Finding the Fourth Proportional to 20,003.19, 30,011.26 and 9,615.75

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Solution

The fourth proportional to 20,003.19, 30,011.26 and 9,615.75 is: 14,426.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.19 : 30,011.26 = 9,615.75 : x
  2. Step 2: Convert to fraction form
    20,003.19/30,011.26 = 9,615.75/x
  3. Step 3: Cross multiply
    20,003.19x = 30,011.26 × 9,615.75
  4. Step 4: Simplify right side
    20,003.19x = 288,580,773.35
  5. Step 5: Solve for x
    x = 288,580,773.35/20,003.19
  6. Step 6: Final answer
    x = 14,426.74

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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.