Home / 9,919.67-13,690.62-5,941.76

Finding the Fourth Proportional to 9,919.67, 13,690.62 and 5,941.76

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Solution

The fourth proportional to 9,919.67, 13,690.62 and 5,941.76 is: 8,200.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.67 : 13,690.62 = 5,941.76 : x
  2. Step 2: Convert to fraction form
    9,919.67/13,690.62 = 5,941.76/x
  3. Step 3: Cross multiply
    9,919.67x = 13,690.62 × 5,941.76
  4. Step 4: Simplify right side
    9,919.67x = 81,346,309.84
  5. Step 5: Solve for x
    x = 81,346,309.84/9,919.67
  6. Step 6: Final answer
    x = 8,200.51

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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.