Home / 9,919.87-13,695.89-6,568.29

Finding the Fourth Proportional to 9,919.87, 13,695.89 and 6,568.29

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Solution

The fourth proportional to 9,919.87, 13,695.89 and 6,568.29 is: 9,068.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.87 : 13,695.89 = 6,568.29 : x
  2. Step 2: Convert to fraction form
    9,919.87/13,695.89 = 6,568.29/x
  3. Step 3: Cross multiply
    9,919.87x = 13,695.89 × 6,568.29
  4. Step 4: Simplify right side
    9,919.87x = 89,958,544.49
  5. Step 5: Solve for x
    x = 89,958,544.49/9,919.87
  6. Step 6: Final answer
    x = 9,068.52

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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.