Home / 11,782.90-17,642.67-10,288.03

Finding the Fourth Proportional to 11,782.90, 17,642.67 and 10,288.03

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Solution

The fourth proportional to 11,782.90, 17,642.67 and 10,288.03 is: 15,404.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,782.90 : 17,642.67 = 10,288.03 : x
  2. Step 2: Convert to fraction form
    11,782.90/17,642.67 = 10,288.03/x
  3. Step 3: Cross multiply
    11,782.90x = 17,642.67 × 10,288.03
  4. Step 4: Simplify right side
    11,782.90x = 181,508,318.24
  5. Step 5: Solve for x
    x = 181,508,318.24/11,782.90
  6. Step 6: Final answer
    x = 15,404.38

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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.