Home / 12,631.88-18,947.93-5,610.02

Finding the Fourth Proportional to 12,631.88, 18,947.93 and 5,610.02

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Solution

The fourth proportional to 12,631.88, 18,947.93 and 5,610.02 is: 8,415.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631.88 : 18,947.93 = 5,610.02 : x
  2. Step 2: Convert to fraction form
    12,631.88/18,947.93 = 5,610.02/x
  3. Step 3: Cross multiply
    12,631.88x = 18,947.93 × 5,610.02
  4. Step 4: Simplify right side
    12,631.88x = 106,298,143.47
  5. Step 5: Solve for x
    x = 106,298,143.47/12,631.88
  6. Step 6: Final answer
    x = 8,415.07

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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.