Home / 18,377.06-25,354.20-10,309.54

Finding the Fourth Proportional to 18,377.06, 25,354.20 and 10,309.54

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Solution

The fourth proportional to 18,377.06, 25,354.20 and 10,309.54 is: 14,223.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.06 : 25,354.20 = 10,309.54 : x
  2. Step 2: Convert to fraction form
    18,377.06/25,354.20 = 10,309.54/x
  3. Step 3: Cross multiply
    18,377.06x = 25,354.20 × 10,309.54
  4. Step 4: Simplify right side
    18,377.06x = 261,390,139.07
  5. Step 5: Solve for x
    x = 261,390,139.07/18,377.06
  6. Step 6: Final answer
    x = 14,223.72

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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.