Home / 10,389.44-15,559.32-5,702.24

Finding the Fourth Proportional to 10,389.44, 15,559.32 and 5,702.24

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Solution

The fourth proportional to 10,389.44, 15,559.32 and 5,702.24 is: 8,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.44 : 15,559.32 = 5,702.24 : x
  2. Step 2: Convert to fraction form
    10,389.44/15,559.32 = 5,702.24/x
  3. Step 3: Cross multiply
    10,389.44x = 15,559.32 × 5,702.24
  4. Step 4: Simplify right side
    10,389.44x = 88,722,976.88
  5. Step 5: Solve for x
    x = 88,722,976.88/10,389.44
  6. Step 6: Final answer
    x = 8,539.73

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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.