Home / 10,480.62-15,702.42-5,539.32

Finding the Fourth Proportional to 10,480.62, 15,702.42 and 5,539.32

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Solution

The fourth proportional to 10,480.62, 15,702.42 and 5,539.32 is: 8,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.62 : 15,702.42 = 5,539.32 : x
  2. Step 2: Convert to fraction form
    10,480.62/15,702.42 = 5,539.32/x
  3. Step 3: Cross multiply
    10,480.62x = 15,702.42 × 5,539.32
  4. Step 4: Simplify right side
    10,480.62x = 86,980,729.15
  5. Step 5: Solve for x
    x = 86,980,729.15/10,480.62
  6. Step 6: Final answer
    x = 8,299.20

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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.