Home / 11,870.14-16,380.66-6,565.06

Finding the Fourth Proportional to 11,870.14, 16,380.66 and 6,565.06

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Solution

The fourth proportional to 11,870.14, 16,380.66 and 6,565.06 is: 9,059.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,870.14 : 16,380.66 = 6,565.06 : x
  2. Step 2: Convert to fraction form
    11,870.14/16,380.66 = 6,565.06/x
  3. Step 3: Cross multiply
    11,870.14x = 16,380.66 × 6,565.06
  4. Step 4: Simplify right side
    11,870.14x = 107,540,015.74
  5. Step 5: Solve for x
    x = 107,540,015.74/11,870.14
  6. Step 6: Final answer
    x = 9,059.71

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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.