Home / 13,299.31-19,952.41-4,979.98

Finding the Fourth Proportional to 13,299.31, 19,952.41 and 4,979.98

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Solution

The fourth proportional to 13,299.31, 19,952.41 and 4,979.98 is: 7,471.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.31 : 19,952.41 = 4,979.98 : x
  2. Step 2: Convert to fraction form
    13,299.31/19,952.41 = 4,979.98/x
  3. Step 3: Cross multiply
    13,299.31x = 19,952.41 × 4,979.98
  4. Step 4: Simplify right side
    13,299.31x = 99,362,602.75
  5. Step 5: Solve for x
    x = 99,362,602.75/13,299.31
  6. Step 6: Final answer
    x = 7,471.26

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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.