Home / 12,935.27-19,386.67-5,531.02

Finding the Fourth Proportional to 12,935.27, 19,386.67 and 5,531.02

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Solution

The fourth proportional to 12,935.27, 19,386.67 and 5,531.02 is: 8,289.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.27 : 19,386.67 = 5,531.02 : x
  2. Step 2: Convert to fraction form
    12,935.27/19,386.67 = 5,531.02/x
  3. Step 3: Cross multiply
    12,935.27x = 19,386.67 × 5,531.02
  4. Step 4: Simplify right side
    12,935.27x = 107,228,059.50
  5. Step 5: Solve for x
    x = 107,228,059.50/12,935.27
  6. Step 6: Final answer
    x = 8,289.59

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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.