Home / 10,379.30-15,563.43-4,529.07

Finding the Fourth Proportional to 10,379.30, 15,563.43 and 4,529.07

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Solution

The fourth proportional to 10,379.30, 15,563.43 and 4,529.07 is: 6,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.30 : 15,563.43 = 4,529.07 : x
  2. Step 2: Convert to fraction form
    10,379.30/15,563.43 = 4,529.07/x
  3. Step 3: Cross multiply
    10,379.30x = 15,563.43 × 4,529.07
  4. Step 4: Simplify right side
    10,379.30x = 70,487,863.91
  5. Step 5: Solve for x
    x = 70,487,863.91/10,379.30
  6. Step 6: Final answer
    x = 6,791.20

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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.