Home / 13,303.08-19,955.82-3,442.32

Finding the Fourth Proportional to 13,303.08, 19,955.82 and 3,442.32

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Solution

The fourth proportional to 13,303.08, 19,955.82 and 3,442.32 is: 5,163.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.08 : 19,955.82 = 3,442.32 : x
  2. Step 2: Convert to fraction form
    13,303.08/19,955.82 = 3,442.32/x
  3. Step 3: Cross multiply
    13,303.08x = 19,955.82 × 3,442.32
  4. Step 4: Simplify right side
    13,303.08x = 68,694,318.30
  5. Step 5: Solve for x
    x = 68,694,318.30/13,303.08
  6. Step 6: Final answer
    x = 5,163.79

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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.