Home / 20,895.19-31,343.40-6,102.57

Finding the Fourth Proportional to 20,895.19, 31,343.40 and 6,102.57

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Solution

The fourth proportional to 20,895.19, 31,343.40 and 6,102.57 is: 9,154.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,895.19 : 31,343.40 = 6,102.57 : x
  2. Step 2: Convert to fraction form
    20,895.19/31,343.40 = 6,102.57/x
  3. Step 3: Cross multiply
    20,895.19x = 31,343.40 × 6,102.57
  4. Step 4: Simplify right side
    20,895.19x = 191,275,292.54
  5. Step 5: Solve for x
    x = 191,275,292.54/20,895.19
  6. Step 6: Final answer
    x = 9,154.03

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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.