Home / 13,218.47-19,828.24-3,358.00

Finding the Fourth Proportional to 13,218.47, 19,828.24 and 3,358.00

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Solution

The fourth proportional to 13,218.47, 19,828.24 and 3,358.00 is: 5,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,218.47 : 19,828.24 = 3,358.00 : x
  2. Step 2: Convert to fraction form
    13,218.47/19,828.24 = 3,358.00/x
  3. Step 3: Cross multiply
    13,218.47x = 19,828.24 × 3,358.00
  4. Step 4: Simplify right side
    13,218.47x = 66,583,265.20
  5. Step 5: Solve for x
    x = 66,583,265.20/13,218.47
  6. Step 6: Final answer
    x = 5,037.14

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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.