Home / 18,394.64-25,382.52-10,434.80

Finding the Fourth Proportional to 18,394.64, 25,382.52 and 10,434.80

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Solution

The fourth proportional to 18,394.64, 25,382.52 and 10,434.80 is: 14,398.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.64 : 25,382.52 = 10,434.80 : x
  2. Step 2: Convert to fraction form
    18,394.64/25,382.52 = 10,434.80/x
  3. Step 3: Cross multiply
    18,394.64x = 25,382.52 × 10,434.80
  4. Step 4: Simplify right side
    18,394.64x = 264,861,519.70
  5. Step 5: Solve for x
    x = 264,861,519.70/18,394.64
  6. Step 6: Final answer
    x = 14,398.84

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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.