Home / 9,726.44-13,403.76-7,069.64

Finding the Fourth Proportional to 9,726.44, 13,403.76 and 7,069.64

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Solution

The fourth proportional to 9,726.44, 13,403.76 and 7,069.64 is: 9,742.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,726.44 : 13,403.76 = 7,069.64 : x
  2. Step 2: Convert to fraction form
    9,726.44/13,403.76 = 7,069.64/x
  3. Step 3: Cross multiply
    9,726.44x = 13,403.76 × 7,069.64
  4. Step 4: Simplify right side
    9,726.44x = 94,759,757.85
  5. Step 5: Solve for x
    x = 94,759,757.85/9,726.44
  6. Step 6: Final answer
    x = 9,742.49

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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.