Home / 15,382.59-21,226.91-9,093.75

Finding the Fourth Proportional to 15,382.59, 21,226.91 and 9,093.75

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Solution

The fourth proportional to 15,382.59, 21,226.91 and 9,093.75 is: 12,548.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,382.59 : 21,226.91 = 9,093.75 : x
  2. Step 2: Convert to fraction form
    15,382.59/21,226.91 = 9,093.75/x
  3. Step 3: Cross multiply
    15,382.59x = 21,226.91 × 9,093.75
  4. Step 4: Simplify right side
    15,382.59x = 193,032,167.34
  5. Step 5: Solve for x
    x = 193,032,167.34/15,382.59
  6. Step 6: Final answer
    x = 12,548.74

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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.