Home / 9,669.95-13,334.39-7,157.33

Finding the Fourth Proportional to 9,669.95, 13,334.39 and 7,157.33

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Solution

The fourth proportional to 9,669.95, 13,334.39 and 7,157.33 is: 9,869.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,669.95 : 13,334.39 = 7,157.33 : x
  2. Step 2: Convert to fraction form
    9,669.95/13,334.39 = 7,157.33/x
  3. Step 3: Cross multiply
    9,669.95x = 13,334.39 × 7,157.33
  4. Step 4: Simplify right side
    9,669.95x = 95,438,614.14
  5. Step 5: Solve for x
    x = 95,438,614.14/9,669.95
  6. Step 6: Final answer
    x = 9,869.61

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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.