Home / 20,892.19-31,340.28-6,101.23

Finding the Fourth Proportional to 20,892.19, 31,340.28 and 6,101.23

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Solution

The fourth proportional to 20,892.19, 31,340.28 and 6,101.23 is: 9,152.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,892.19 : 31,340.28 = 6,101.23 : x
  2. Step 2: Convert to fraction form
    20,892.19/31,340.28 = 6,101.23/x
  3. Step 3: Cross multiply
    20,892.19x = 31,340.28 × 6,101.23
  4. Step 4: Simplify right side
    20,892.19x = 191,214,256.54
  5. Step 5: Solve for x
    x = 191,214,256.54/20,892.19
  6. Step 6: Final answer
    x = 9,152.43

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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.