Home / 9,921.32-13,690.86-5,941.52

Finding the Fourth Proportional to 9,921.32, 13,690.86 and 5,941.52

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Solution

The fourth proportional to 9,921.32, 13,690.86 and 5,941.52 is: 8,198.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921.32 : 13,690.86 = 5,941.52 : x
  2. Step 2: Convert to fraction form
    9,921.32/13,690.86 = 5,941.52/x
  3. Step 3: Cross multiply
    9,921.32x = 13,690.86 × 5,941.52
  4. Step 4: Simplify right side
    9,921.32x = 81,344,518.51
  5. Step 5: Solve for x
    x = 81,344,518.51/9,921.32
  6. Step 6: Final answer
    x = 8,198.96

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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.