Home / 9,964.48-13,747.69-6,430.04

Finding the Fourth Proportional to 9,964.48, 13,747.69 and 6,430.04

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Solution

The fourth proportional to 9,964.48, 13,747.69 and 6,430.04 is: 8,871.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964.48 : 13,747.69 = 6,430.04 : x
  2. Step 2: Convert to fraction form
    9,964.48/13,747.69 = 6,430.04/x
  3. Step 3: Cross multiply
    9,964.48x = 13,747.69 × 6,430.04
  4. Step 4: Simplify right side
    9,964.48x = 88,398,196.61
  5. Step 5: Solve for x
    x = 88,398,196.61/9,964.48
  6. Step 6: Final answer
    x = 8,871.33

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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.