Home / 13,299.93-18,350.55-7,992.81

Finding the Fourth Proportional to 13,299.93, 18,350.55 and 7,992.81

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Solution

The fourth proportional to 13,299.93, 18,350.55 and 7,992.81 is: 11,028.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.93 : 18,350.55 = 7,992.81 : x
  2. Step 2: Convert to fraction form
    13,299.93/18,350.55 = 7,992.81/x
  3. Step 3: Cross multiply
    13,299.93x = 18,350.55 × 7,992.81
  4. Step 4: Simplify right side
    13,299.93x = 146,672,459.55
  5. Step 5: Solve for x
    x = 146,672,459.55/13,299.93
  6. Step 6: Final answer
    x = 11,028.06

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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.