Home / 13,892.13-19,170.99-7,518.58

Finding the Fourth Proportional to 13,892.13, 19,170.99 and 7,518.58

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Solution

The fourth proportional to 13,892.13, 19,170.99 and 7,518.58 is: 10,375.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.13 : 19,170.99 = 7,518.58 : x
  2. Step 2: Convert to fraction form
    13,892.13/19,170.99 = 7,518.58/x
  3. Step 3: Cross multiply
    13,892.13x = 19,170.99 × 7,518.58
  4. Step 4: Simplify right side
    13,892.13x = 144,138,606.84
  5. Step 5: Solve for x
    x = 144,138,606.84/13,892.13
  6. Step 6: Final answer
    x = 10,375.56

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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.