Home / 9,342.44-12,898.74-5,986.78

Finding the Fourth Proportional to 9,342.44, 12,898.74 and 5,986.78

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Solution

The fourth proportional to 9,342.44, 12,898.74 and 5,986.78 is: 8,265.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342.44 : 12,898.74 = 5,986.78 : x
  2. Step 2: Convert to fraction form
    9,342.44/12,898.74 = 5,986.78/x
  3. Step 3: Cross multiply
    9,342.44x = 12,898.74 × 5,986.78
  4. Step 4: Simplify right side
    9,342.44x = 77,221,908.86
  5. Step 5: Solve for x
    x = 77,221,908.86/9,342.44
  6. Step 6: Final answer
    x = 8,265.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.