Home / 13,299.06-19,952.04-4,979.72

Finding the Fourth Proportional to 13,299.06, 19,952.04 and 4,979.72

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Solution

The fourth proportional to 13,299.06, 19,952.04 and 4,979.72 is: 7,470.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.06 : 19,952.04 = 4,979.72 : x
  2. Step 2: Convert to fraction form
    13,299.06/19,952.04 = 4,979.72/x
  3. Step 3: Cross multiply
    13,299.06x = 19,952.04 × 4,979.72
  4. Step 4: Simplify right side
    13,299.06x = 99,355,472.87
  5. Step 5: Solve for x
    x = 99,355,472.87/13,299.06
  6. Step 6: Final answer
    x = 7,470.86

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1.5x scale

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.