Home / 20,003.06-30,011.07-9,615.62

Finding the Fourth Proportional to 20,003.06, 30,011.07 and 9,615.62

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Solution

The fourth proportional to 20,003.06, 30,011.07 and 9,615.62 is: 14,426.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.06 : 30,011.07 = 9,615.62 : x
  2. Step 2: Convert to fraction form
    20,003.06/30,011.07 = 9,615.62/x
  3. Step 3: Cross multiply
    20,003.06x = 30,011.07 × 9,615.62
  4. Step 4: Simplify right side
    20,003.06x = 288,575,044.91
  5. Step 5: Solve for x
    x = 288,575,044.91/20,003.06
  6. Step 6: Final answer
    x = 14,426.54

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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.