Home / 22,564.46-31,140.09-12,493.32

Finding the Fourth Proportional to 22,564.46, 31,140.09 and 12,493.32

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Solution

The fourth proportional to 22,564.46, 31,140.09 and 12,493.32 is: 17,241.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,564.46 : 31,140.09 = 12,493.32 : x
  2. Step 2: Convert to fraction form
    22,564.46/31,140.09 = 12,493.32/x
  3. Step 3: Cross multiply
    22,564.46x = 31,140.09 × 12,493.32
  4. Step 4: Simplify right side
    22,564.46x = 389,043,109.20
  5. Step 5: Solve for x
    x = 389,043,109.20/22,564.46
  6. Step 6: Final answer
    x = 17,241.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.