Home / 11,525.65-17,289.38-5,679.07

Finding the Fourth Proportional to 11,525.65, 17,289.38 and 5,679.07

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Solution

The fourth proportional to 11,525.65, 17,289.38 and 5,679.07 is: 8,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,525.65 : 17,289.38 = 5,679.07 : x
  2. Step 2: Convert to fraction form
    11,525.65/17,289.38 = 5,679.07/x
  3. Step 3: Cross multiply
    11,525.65x = 17,289.38 × 5,679.07
  4. Step 4: Simplify right side
    11,525.65x = 98,187,570.25
  5. Step 5: Solve for x
    x = 98,187,570.25/11,525.65
  6. Step 6: Final answer
    x = 8,519.05

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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.