Home / 13,805.20-19,050.69-9,086.14

Finding the Fourth Proportional to 13,805.20, 19,050.69 and 9,086.14

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Solution

The fourth proportional to 13,805.20, 19,050.69 and 9,086.14 is: 12,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,805.20 : 19,050.69 = 9,086.14 : x
  2. Step 2: Convert to fraction form
    13,805.20/19,050.69 = 9,086.14/x
  3. Step 3: Cross multiply
    13,805.20x = 19,050.69 × 9,086.14
  4. Step 4: Simplify right side
    13,805.20x = 173,097,236.44
  5. Step 5: Solve for x
    x = 173,097,236.44/13,805.20
  6. Step 6: Final answer
    x = 12,538.55

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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.