Home / 9,643.74-13,308.14-5,394.86

Finding the Fourth Proportional to 9,643.74, 13,308.14 and 5,394.86

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Solution

The fourth proportional to 9,643.74, 13,308.14 and 5,394.86 is: 7,444.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,643.74 : 13,308.14 = 5,394.86 : x
  2. Step 2: Convert to fraction form
    9,643.74/13,308.14 = 5,394.86/x
  3. Step 3: Cross multiply
    9,643.74x = 13,308.14 × 5,394.86
  4. Step 4: Simplify right side
    9,643.74x = 71,795,552.16
  5. Step 5: Solve for x
    x = 71,795,552.16/9,643.74
  6. Step 6: Final answer
    x = 7,444.78

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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.