Home / 10,379.92-14,323.70-5,903.04

Finding the Fourth Proportional to 10,379.92, 14,323.70 and 5,903.04

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Solution

The fourth proportional to 10,379.92, 14,323.70 and 5,903.04 is: 8,145.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.92 : 14,323.70 = 5,903.04 : x
  2. Step 2: Convert to fraction form
    10,379.92/14,323.70 = 5,903.04/x
  3. Step 3: Cross multiply
    10,379.92x = 14,323.70 × 5,903.04
  4. Step 4: Simplify right side
    10,379.92x = 84,553,374.05
  5. Step 5: Solve for x
    x = 84,553,374.05/10,379.92
  6. Step 6: Final answer
    x = 8,145.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.