Home / 9,803.82-13,529.40-5,327.64

Finding the Fourth Proportional to 9,803.82, 13,529.40 and 5,327.64

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Solution

The fourth proportional to 9,803.82, 13,529.40 and 5,327.64 is: 7,352.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,803.82 : 13,529.40 = 5,327.64 : x
  2. Step 2: Convert to fraction form
    9,803.82/13,529.40 = 5,327.64/x
  3. Step 3: Cross multiply
    9,803.82x = 13,529.40 × 5,327.64
  4. Step 4: Simplify right side
    9,803.82x = 72,079,752.64
  5. Step 5: Solve for x
    x = 72,079,752.64/9,803.82
  6. Step 6: Final answer
    x = 7,352.21

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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.