Home / 18,134.79-25,019.60-11,850.81

Finding the Fourth Proportional to 18,134.79, 25,019.60 and 11,850.81

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Solution

The fourth proportional to 18,134.79, 25,019.60 and 11,850.81 is: 16,349.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.79 : 25,019.60 = 11,850.81 : x
  2. Step 2: Convert to fraction form
    18,134.79/25,019.60 = 11,850.81/x
  3. Step 3: Cross multiply
    18,134.79x = 25,019.60 × 11,850.81
  4. Step 4: Simplify right side
    18,134.79x = 296,502,466.62
  5. Step 5: Solve for x
    x = 296,502,466.62/18,134.79
  6. Step 6: Final answer
    x = 16,349.93

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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.