Home / 11,565.40-15,958.02-6,850.60

Finding the Fourth Proportional to 11,565.40, 15,958.02 and 6,850.60

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Solution

The fourth proportional to 11,565.40, 15,958.02 and 6,850.60 is: 9,452.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.40 : 15,958.02 = 6,850.60 : x
  2. Step 2: Convert to fraction form
    11,565.40/15,958.02 = 6,850.60/x
  3. Step 3: Cross multiply
    11,565.40x = 15,958.02 × 6,850.60
  4. Step 4: Simplify right side
    11,565.40x = 109,322,011.81
  5. Step 5: Solve for x
    x = 109,322,011.81/11,565.40
  6. Step 6: Final answer
    x = 9,452.51

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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.