Home / 13,824.06-19,077.15-7,536.78

Finding the Fourth Proportional to 13,824.06, 19,077.15 and 7,536.78

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Solution

The fourth proportional to 13,824.06, 19,077.15 and 7,536.78 is: 10,400.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.06 : 19,077.15 = 7,536.78 : x
  2. Step 2: Convert to fraction form
    13,824.06/19,077.15 = 7,536.78/x
  3. Step 3: Cross multiply
    13,824.06x = 19,077.15 × 7,536.78
  4. Step 4: Simplify right side
    13,824.06x = 143,780,282.58
  5. Step 5: Solve for x
    x = 143,780,282.58/13,824.06
  6. Step 6: Final answer
    x = 10,400.73

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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.