Home / 9,009.70-12,433.32-4,976.79

Finding the Fourth Proportional to 9,009.70, 12,433.32 and 4,976.79

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Solution

The fourth proportional to 9,009.70, 12,433.32 and 4,976.79 is: 6,867.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.70 : 12,433.32 = 4,976.79 : x
  2. Step 2: Convert to fraction form
    9,009.70/12,433.32 = 4,976.79/x
  3. Step 3: Cross multiply
    9,009.70x = 12,433.32 × 4,976.79
  4. Step 4: Simplify right side
    9,009.70x = 61,878,022.64
  5. Step 5: Solve for x
    x = 61,878,022.64/9,009.70
  6. Step 6: Final answer
    x = 6,867.93

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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.