Home / 9,973.91-13,769.72-6,621.26

Finding the Fourth Proportional to 9,973.91, 13,769.72 and 6,621.26

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Solution

The fourth proportional to 9,973.91, 13,769.72 and 6,621.26 is: 9,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,973.91 : 13,769.72 = 6,621.26 : x
  2. Step 2: Convert to fraction form
    9,973.91/13,769.72 = 6,621.26/x
  3. Step 3: Cross multiply
    9,973.91x = 13,769.72 × 6,621.26
  4. Step 4: Simplify right side
    9,973.91x = 91,172,794.29
  5. Step 5: Solve for x
    x = 91,172,794.29/9,973.91
  6. Step 6: Final answer
    x = 9,141.13

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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.