Home / 18,135.53-27,182.24-10,349.81

Finding the Fourth Proportional to 18,135.53, 27,182.24 and 10,349.81

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Solution

The fourth proportional to 18,135.53, 27,182.24 and 10,349.81 is: 15,512.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135.53 : 27,182.24 = 10,349.81 : x
  2. Step 2: Convert to fraction form
    18,135.53/27,182.24 = 10,349.81/x
  3. Step 3: Cross multiply
    18,135.53x = 27,182.24 × 10,349.81
  4. Step 4: Simplify right side
    18,135.53x = 281,330,967.63
  5. Step 5: Solve for x
    x = 281,330,967.63/18,135.53
  6. Step 6: Final answer
    x = 15,512.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.