Home / 18,393.39-25,382.12-10,435.46

Finding the Fourth Proportional to 18,393.39, 25,382.12 and 10,435.46

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Solution

The fourth proportional to 18,393.39, 25,382.12 and 10,435.46 is: 14,400.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393.39 : 25,382.12 = 10,435.46 : x
  2. Step 2: Convert to fraction form
    18,393.39/25,382.12 = 10,435.46/x
  3. Step 3: Cross multiply
    18,393.39x = 25,382.12 × 10,435.46
  4. Step 4: Simplify right side
    18,393.39x = 264,873,918.89
  5. Step 5: Solve for x
    x = 264,873,918.89/18,393.39
  6. Step 6: Final answer
    x = 14,400.49

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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.