Home / 9,976.89-13,767.47-5,500.40

Finding the Fourth Proportional to 9,976.89, 13,767.47 and 5,500.40

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Solution

The fourth proportional to 9,976.89, 13,767.47 and 5,500.40 is: 7,590.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,976.89 : 13,767.47 = 5,500.40 : x
  2. Step 2: Convert to fraction form
    9,976.89/13,767.47 = 5,500.40/x
  3. Step 3: Cross multiply
    9,976.89x = 13,767.47 × 5,500.40
  4. Step 4: Simplify right side
    9,976.89x = 75,726,495.65
  5. Step 5: Solve for x
    x = 75,726,495.65/9,976.89
  6. Step 6: Final answer
    x = 7,590.19

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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.