Home / 10,382.94-15,579.89-4,543.65

Finding the Fourth Proportional to 10,382.94, 15,579.89 and 4,543.65

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Solution

The fourth proportional to 10,382.94, 15,579.89 and 4,543.65 is: 6,817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.94 : 15,579.89 = 4,543.65 : x
  2. Step 2: Convert to fraction form
    10,382.94/15,579.89 = 4,543.65/x
  3. Step 3: Cross multiply
    10,382.94x = 15,579.89 × 4,543.65
  4. Step 4: Simplify right side
    10,382.94x = 70,789,544.48
  5. Step 5: Solve for x
    x = 70,789,544.48/10,382.94
  6. Step 6: Final answer
    x = 6,817.87

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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.