Home / 20,076.06-30,098.01-9,540.81

Finding the Fourth Proportional to 20,076.06, 30,098.01 and 9,540.81

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Solution

The fourth proportional to 20,076.06, 30,098.01 and 9,540.81 is: 14,303.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,076.06 : 30,098.01 = 9,540.81 : x
  2. Step 2: Convert to fraction form
    20,076.06/30,098.01 = 9,540.81/x
  3. Step 3: Cross multiply
    20,076.06x = 30,098.01 × 9,540.81
  4. Step 4: Simplify right side
    20,076.06x = 287,159,394.79
  5. Step 5: Solve for x
    x = 287,159,394.79/20,076.06
  6. Step 6: Final answer
    x = 14,303.57

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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.