Home / 18,122.13-25,009.26-10,164.89

Finding the Fourth Proportional to 18,122.13, 25,009.26 and 10,164.89

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Solution

The fourth proportional to 18,122.13, 25,009.26 and 10,164.89 is: 14,027.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122.13 : 25,009.26 = 10,164.89 : x
  2. Step 2: Convert to fraction form
    18,122.13/25,009.26 = 10,164.89/x
  3. Step 3: Cross multiply
    18,122.13x = 25,009.26 × 10,164.89
  4. Step 4: Simplify right side
    18,122.13x = 254,216,401.29
  5. Step 5: Solve for x
    x = 254,216,401.29/18,122.13
  6. Step 6: Final answer
    x = 14,027.95

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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.