Home / 10,370.20-15,558.44-5,439.24

Finding the Fourth Proportional to 10,370.20, 15,558.44 and 5,439.24

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Solution

The fourth proportional to 10,370.20, 15,558.44 and 5,439.24 is: 8,160.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.20 : 15,558.44 = 5,439.24 : x
  2. Step 2: Convert to fraction form
    10,370.20/15,558.44 = 5,439.24/x
  3. Step 3: Cross multiply
    10,370.20x = 15,558.44 × 5,439.24
  4. Step 4: Simplify right side
    10,370.20x = 84,626,089.19
  5. Step 5: Solve for x
    x = 84,626,089.19/10,370.20
  6. Step 6: Final answer
    x = 8,160.51

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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.