Home / 13,297.36-18,350.54-7,632.56

Finding the Fourth Proportional to 13,297.36, 18,350.54 and 7,632.56

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Solution

The fourth proportional to 13,297.36, 18,350.54 and 7,632.56 is: 10,533.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.36 : 18,350.54 = 7,632.56 : x
  2. Step 2: Convert to fraction form
    13,297.36/18,350.54 = 7,632.56/x
  3. Step 3: Cross multiply
    13,297.36x = 18,350.54 × 7,632.56
  4. Step 4: Simplify right side
    13,297.36x = 140,061,597.58
  5. Step 5: Solve for x
    x = 140,061,597.58/13,297.36
  6. Step 6: Final answer
    x = 10,533.04

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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.