Home / 18,361.05-25,342.32-10,407.66

Finding the Fourth Proportional to 18,361.05, 25,342.32 and 10,407.66

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Solution

The fourth proportional to 18,361.05, 25,342.32 and 10,407.66 is: 14,364.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361.05 : 25,342.32 = 10,407.66 : x
  2. Step 2: Convert to fraction form
    18,361.05/25,342.32 = 10,407.66/x
  3. Step 3: Cross multiply
    18,361.05x = 25,342.32 × 10,407.66
  4. Step 4: Simplify right side
    18,361.05x = 263,754,135.62
  5. Step 5: Solve for x
    x = 263,754,135.62/18,361.05
  6. Step 6: Final answer
    x = 14,364.88

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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.