Home / 13,268.72-19,901.23-4,947.66

Finding the Fourth Proportional to 13,268.72, 19,901.23 and 4,947.66

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Solution

The fourth proportional to 13,268.72, 19,901.23 and 4,947.66 is: 7,420.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.72 : 19,901.23 = 4,947.66 : x
  2. Step 2: Convert to fraction form
    13,268.72/19,901.23 = 4,947.66/x
  3. Step 3: Cross multiply
    13,268.72x = 19,901.23 × 4,947.66
  4. Step 4: Simplify right side
    13,268.72x = 98,464,507.25
  5. Step 5: Solve for x
    x = 98,464,507.25/13,268.72
  6. Step 6: Final answer
    x = 7,420.80

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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.