Home / 20,773.92-31,168.44-9,095.34

Finding the Fourth Proportional to 20,773.92, 31,168.44 and 9,095.34

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Solution

The fourth proportional to 20,773.92, 31,168.44 and 9,095.34 is: 13,646.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,773.92 : 31,168.44 = 9,095.34 : x
  2. Step 2: Convert to fraction form
    20,773.92/31,168.44 = 9,095.34/x
  3. Step 3: Cross multiply
    20,773.92x = 31,168.44 × 9,095.34
  4. Step 4: Simplify right side
    20,773.92x = 283,487,559.07
  5. Step 5: Solve for x
    x = 283,487,559.07/20,773.92
  6. Step 6: Final answer
    x = 13,646.32

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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.