Home / 13,134.54-19,710.02-5,343.36

Finding the Fourth Proportional to 13,134.54, 19,710.02 and 5,343.36

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Solution

The fourth proportional to 13,134.54, 19,710.02 and 5,343.36 is: 8,018.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.54 : 19,710.02 = 5,343.36 : x
  2. Step 2: Convert to fraction form
    13,134.54/19,710.02 = 5,343.36/x
  3. Step 3: Cross multiply
    13,134.54x = 19,710.02 × 5,343.36
  4. Step 4: Simplify right side
    13,134.54x = 105,317,732.47
  5. Step 5: Solve for x
    x = 105,317,732.47/13,134.54
  6. Step 6: Final answer
    x = 8,018.38

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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.