Home / 13,268.47-19,900.85-4,947.41

Finding the Fourth Proportional to 13,268.47, 19,900.85 and 4,947.41

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Solution

The fourth proportional to 13,268.47, 19,900.85 and 4,947.41 is: 7,420.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.47 : 19,900.85 = 4,947.41 : x
  2. Step 2: Convert to fraction form
    13,268.47/19,900.85 = 4,947.41/x
  3. Step 3: Cross multiply
    13,268.47x = 19,900.85 × 4,947.41
  4. Step 4: Simplify right side
    13,268.47x = 98,457,664.30
  5. Step 5: Solve for x
    x = 98,457,664.30/13,268.47
  6. Step 6: Final answer
    x = 7,420.42

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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.