Home / 20,002.19-30,009.76-9,614.75

Finding the Fourth Proportional to 20,002.19, 30,009.76 and 9,614.75

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Solution

The fourth proportional to 20,002.19, 30,009.76 and 9,614.75 is: 14,425.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002.19 : 30,009.76 = 9,614.75 : x
  2. Step 2: Convert to fraction form
    20,002.19/30,009.76 = 9,614.75/x
  3. Step 3: Cross multiply
    20,002.19x = 30,009.76 × 9,614.75
  4. Step 4: Simplify right side
    20,002.19x = 288,536,165.87
  5. Step 5: Solve for x
    x = 288,536,165.87/20,002.19
  6. Step 6: Final answer
    x = 14,425.23

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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.