Home / 20,236.41-30,358.23-9,148.32

Finding the Fourth Proportional to 20,236.41, 30,358.23 and 9,148.32

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Solution

The fourth proportional to 20,236.41, 30,358.23 and 9,148.32 is: 13,724.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.41 : 30,358.23 = 9,148.32 : x
  2. Step 2: Convert to fraction form
    20,236.41/30,358.23 = 9,148.32/x
  3. Step 3: Cross multiply
    20,236.41x = 30,358.23 × 9,148.32
  4. Step 4: Simplify right side
    20,236.41x = 277,726,802.67
  5. Step 5: Solve for x
    x = 277,726,802.67/20,236.41
  6. Step 6: Final answer
    x = 13,724.11

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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.