Home / 18,393.57-25,385.97-10,842.34

Finding the Fourth Proportional to 18,393.57, 25,385.97 and 10,842.34

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Solution

The fourth proportional to 18,393.57, 25,385.97 and 10,842.34 is: 14,964.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393.57 : 25,385.97 = 10,842.34 : x
  2. Step 2: Convert to fraction form
    18,393.57/25,385.97 = 10,842.34/x
  3. Step 3: Cross multiply
    18,393.57x = 25,385.97 × 10,842.34
  4. Step 4: Simplify right side
    18,393.57x = 275,243,317.97
  5. Step 5: Solve for x
    x = 275,243,317.97/18,393.57
  6. Step 6: Final answer
    x = 14,964.11

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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.