Home / 13,268.88-19,903.32-5,477.76

Finding the Fourth Proportional to 13,268.88, 19,903.32 and 5,477.76

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Solution

The fourth proportional to 13,268.88, 19,903.32 and 5,477.76 is: 8,216.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.88 : 19,903.32 = 5,477.76 : x
  2. Step 2: Convert to fraction form
    13,268.88/19,903.32 = 5,477.76/x
  3. Step 3: Cross multiply
    13,268.88x = 19,903.32 × 5,477.76
  4. Step 4: Simplify right side
    13,268.88x = 109,025,610.16
  5. Step 5: Solve for x
    x = 109,025,610.16/13,268.88
  6. Step 6: Final answer
    x = 8,216.64

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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.