Home / 9,432.90-14,150.70-2,859.60

Finding the Fourth Proportional to 9,432.90, 14,150.70 and 2,859.60

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Solution

The fourth proportional to 9,432.90, 14,150.70 and 2,859.60 is: 4,289.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,432.90 : 14,150.70 = 2,859.60 : x
  2. Step 2: Convert to fraction form
    9,432.90/14,150.70 = 2,859.60/x
  3. Step 3: Cross multiply
    9,432.90x = 14,150.70 × 2,859.60
  4. Step 4: Simplify right side
    9,432.90x = 40,465,341.72
  5. Step 5: Solve for x
    x = 40,465,341.72/9,432.90
  6. Step 6: Final answer
    x = 4,289.81

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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.