Home / 9,430.62-14,149.57-2,856.86

Finding the Fourth Proportional to 9,430.62, 14,149.57 and 2,856.86

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Solution

The fourth proportional to 9,430.62, 14,149.57 and 2,856.86 is: 4,286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.62 : 14,149.57 = 2,856.86 : x
  2. Step 2: Convert to fraction form
    9,430.62/14,149.57 = 2,856.86/x
  3. Step 3: Cross multiply
    9,430.62x = 14,149.57 × 2,856.86
  4. Step 4: Simplify right side
    9,430.62x = 40,423,340.55
  5. Step 5: Solve for x
    x = 40,423,340.55/9,430.62
  6. Step 6: Final answer
    x = 4,286.39

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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.