Home / 18,195.30-25,107.72-10,237.35

Finding the Fourth Proportional to 18,195.30, 25,107.72 and 10,237.35

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Solution

The fourth proportional to 18,195.30, 25,107.72 and 10,237.35 is: 14,126.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.30 : 25,107.72 = 10,237.35 : x
  2. Step 2: Convert to fraction form
    18,195.30/25,107.72 = 10,237.35/x
  3. Step 3: Cross multiply
    18,195.30x = 25,107.72 × 10,237.35
  4. Step 4: Simplify right side
    18,195.30x = 257,036,517.34
  5. Step 5: Solve for x
    x = 257,036,517.34/18,195.30
  6. Step 6: Final answer
    x = 14,126.54

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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.