Home / 13,836.08-19,093.57-7,867.62

Finding the Fourth Proportional to 13,836.08, 19,093.57 and 7,867.62

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Solution

The fourth proportional to 13,836.08, 19,093.57 and 7,867.62 is: 10,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.08 : 19,093.57 = 7,867.62 : x
  2. Step 2: Convert to fraction form
    13,836.08/19,093.57 = 7,867.62/x
  3. Step 3: Cross multiply
    13,836.08x = 19,093.57 × 7,867.62
  4. Step 4: Simplify right side
    13,836.08x = 150,220,953.20
  5. Step 5: Solve for x
    x = 150,220,953.20/13,836.08
  6. Step 6: Final answer
    x = 10,857.19

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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.