Home / 13,090.10-19,616.60-7,544.84

Finding the Fourth Proportional to 13,090.10, 19,616.60 and 7,544.84

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Solution

The fourth proportional to 13,090.10, 19,616.60 and 7,544.84 is: 11,306.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090.10 : 19,616.60 = 7,544.84 : x
  2. Step 2: Convert to fraction form
    13,090.10/19,616.60 = 7,544.84/x
  3. Step 3: Cross multiply
    13,090.10x = 19,616.60 × 7,544.84
  4. Step 4: Simplify right side
    13,090.10x = 148,003,972.54
  5. Step 5: Solve for x
    x = 148,003,972.54/13,090.10
  6. Step 6: Final answer
    x = 11,306.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.