Home / 9,642.60-13,305.70-5,450.84

Finding the Fourth Proportional to 9,642.60, 13,305.70 and 5,450.84

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Solution

The fourth proportional to 9,642.60, 13,305.70 and 5,450.84 is: 7,521.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642.60 : 13,305.70 = 5,450.84 : x
  2. Step 2: Convert to fraction form
    9,642.60/13,305.70 = 5,450.84/x
  3. Step 3: Cross multiply
    9,642.60x = 13,305.70 × 5,450.84
  4. Step 4: Simplify right side
    9,642.60x = 72,527,241.79
  5. Step 5: Solve for x
    x = 72,527,241.79/9,642.60
  6. Step 6: Final answer
    x = 7,521.54

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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.