Home / 22,744.32-31,385.08-13,313.60

Finding the Fourth Proportional to 22,744.32, 31,385.08 and 13,313.60

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Solution

The fourth proportional to 22,744.32, 31,385.08 and 13,313.60 is: 18,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,744.32 : 31,385.08 = 13,313.60 : x
  2. Step 2: Convert to fraction form
    22,744.32/31,385.08 = 13,313.60/x
  3. Step 3: Cross multiply
    22,744.32x = 31,385.08 × 13,313.60
  4. Step 4: Simplify right side
    22,744.32x = 417,848,401.09
  5. Step 5: Solve for x
    x = 417,848,401.09/22,744.32
  6. Step 6: Final answer
    x = 18,371.55

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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.