Home / 13,666.03-20,494.45-5,230.56

Finding the Fourth Proportional to 13,666.03, 20,494.45 and 5,230.56

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Solution

The fourth proportional to 13,666.03, 20,494.45 and 5,230.56 is: 7,844.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666.03 : 20,494.45 = 5,230.56 : x
  2. Step 2: Convert to fraction form
    13,666.03/20,494.45 = 5,230.56/x
  3. Step 3: Cross multiply
    13,666.03x = 20,494.45 × 5,230.56
  4. Step 4: Simplify right side
    13,666.03x = 107,197,450.39
  5. Step 5: Solve for x
    x = 107,197,450.39/13,666.03
  6. Step 6: Final answer
    x = 7,844.08

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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.