Home / 10,124.26-15,188.44-4,280.86

Finding the Fourth Proportional to 10,124.26, 15,188.44 and 4,280.86

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Solution

The fourth proportional to 10,124.26, 15,188.44 and 4,280.86 is: 6,422.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.26 : 15,188.44 = 4,280.86 : x
  2. Step 2: Convert to fraction form
    10,124.26/15,188.44 = 4,280.86/x
  3. Step 3: Cross multiply
    10,124.26x = 15,188.44 × 4,280.86
  4. Step 4: Simplify right side
    10,124.26x = 65,019,585.26
  5. Step 5: Solve for x
    x = 65,019,585.26/10,124.26
  6. Step 6: Final answer
    x = 6,422.16

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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.