Home / 9,163.93-13,746.90-2,921.74

Finding the Fourth Proportional to 9,163.93, 13,746.90 and 2,921.74

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Solution

The fourth proportional to 9,163.93, 13,746.90 and 2,921.74 is: 4,382.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.93 : 13,746.90 = 2,921.74 : x
  2. Step 2: Convert to fraction form
    9,163.93/13,746.90 = 2,921.74/x
  3. Step 3: Cross multiply
    9,163.93x = 13,746.90 × 2,921.74
  4. Step 4: Simplify right side
    9,163.93x = 40,164,867.61
  5. Step 5: Solve for x
    x = 40,164,867.61/9,163.93
  6. Step 6: Final answer
    x = 4,382.93

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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.