Home / 9,905.24-14,857.89-2,979.74

Finding the Fourth Proportional to 9,905.24, 14,857.89 and 2,979.74

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Solution

The fourth proportional to 9,905.24, 14,857.89 and 2,979.74 is: 4,469.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.24 : 14,857.89 = 2,979.74 : x
  2. Step 2: Convert to fraction form
    9,905.24/14,857.89 = 2,979.74/x
  3. Step 3: Cross multiply
    9,905.24x = 14,857.89 × 2,979.74
  4. Step 4: Simplify right side
    9,905.24x = 44,272,574.86
  5. Step 5: Solve for x
    x = 44,272,574.86/9,905.24
  6. Step 6: Final answer
    x = 4,469.61

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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.