Home / 13,297.08-18,350.64-7,632.72

Finding the Fourth Proportional to 13,297.08, 18,350.64 and 7,632.72

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Solution

The fourth proportional to 13,297.08, 18,350.64 and 7,632.72 is: 10,533.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.08 : 18,350.64 = 7,632.72 : x
  2. Step 2: Convert to fraction form
    13,297.08/18,350.64 = 7,632.72/x
  3. Step 3: Cross multiply
    13,297.08x = 18,350.64 × 7,632.72
  4. Step 4: Simplify right side
    13,297.08x = 140,065,296.94
  5. Step 5: Solve for x
    x = 140,065,296.94/13,297.08
  6. Step 6: Final answer
    x = 10,533.54

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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.