Home / 15,499.22-23,235.89-7,185.17

Finding the Fourth Proportional to 15,499.22, 23,235.89 and 7,185.17

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Solution

The fourth proportional to 15,499.22, 23,235.89 and 7,185.17 is: 10,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,499.22 : 23,235.89 = 7,185.17 : x
  2. Step 2: Convert to fraction form
    15,499.22/23,235.89 = 7,185.17/x
  3. Step 3: Cross multiply
    15,499.22x = 23,235.89 × 7,185.17
  4. Step 4: Simplify right side
    15,499.22x = 166,953,841.92
  5. Step 5: Solve for x
    x = 166,953,841.92/15,499.22
  6. Step 6: Final answer
    x = 10,771.76

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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.