Home / 18,326.75-25,290.78-10,368.80

Finding the Fourth Proportional to 18,326.75, 25,290.78 and 10,368.80

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Solution

The fourth proportional to 18,326.75, 25,290.78 and 10,368.80 is: 14,308.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.75 : 25,290.78 = 10,368.80 : x
  2. Step 2: Convert to fraction form
    18,326.75/25,290.78 = 10,368.80/x
  3. Step 3: Cross multiply
    18,326.75x = 25,290.78 × 10,368.80
  4. Step 4: Simplify right side
    18,326.75x = 262,234,913.21
  5. Step 5: Solve for x
    x = 262,234,913.21/18,326.75
  6. Step 6: Final answer
    x = 14,308.86

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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.