Home / 13,663.53-20,496.51-7,087.95

Finding the Fourth Proportional to 13,663.53, 20,496.51 and 7,087.95

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Solution

The fourth proportional to 13,663.53, 20,496.51 and 7,087.95 is: 10,632.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663.53 : 20,496.51 = 7,087.95 : x
  2. Step 2: Convert to fraction form
    13,663.53/20,496.51 = 7,087.95/x
  3. Step 3: Cross multiply
    13,663.53x = 20,496.51 × 7,087.95
  4. Step 4: Simplify right side
    13,663.53x = 145,278,238.05
  5. Step 5: Solve for x
    x = 145,278,238.05/13,663.53
  6. Step 6: Final answer
    x = 10,632.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.