Home / 19,554.24-29,309.76-7,699.20

Finding the Fourth Proportional to 19,554.24, 29,309.76 and 7,699.20

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Solution

The fourth proportional to 19,554.24, 29,309.76 and 7,699.20 is: 11,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554.24 : 29,309.76 = 7,699.20 : x
  2. Step 2: Convert to fraction form
    19,554.24/29,309.76 = 7,699.20/x
  3. Step 3: Cross multiply
    19,554.24x = 29,309.76 × 7,699.20
  4. Step 4: Simplify right side
    19,554.24x = 225,661,704.19
  5. Step 5: Solve for x
    x = 225,661,704.19/19,554.24
  6. Step 6: Final answer
    x = 11,540.30

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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.