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Finding the Fourth Proportional to 9,643.31, 14,441.37 and 8,708.37

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Solution

The fourth proportional to 9,643.31, 14,441.37 and 8,708.37 is: 13,041.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,643.31 : 14,441.37 = 8,708.37 : x
  2. Step 2: Convert to fraction form
    9,643.31/14,441.37 = 8,708.37/x
  3. Step 3: Cross multiply
    9,643.31x = 14,441.37 × 8,708.37
  4. Step 4: Simplify right side
    9,643.31x = 125,760,793.27
  5. Step 5: Solve for x
    x = 125,760,793.27/9,643.31
  6. Step 6: Final answer
    x = 13,041.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.