Home / 11,051.20-15,240.18-8,529.27

Finding the Fourth Proportional to 11,051.20, 15,240.18 and 8,529.27

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Solution

The fourth proportional to 11,051.20, 15,240.18 and 8,529.27 is: 11,762.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,051.20 : 15,240.18 = 8,529.27 : x
  2. Step 2: Convert to fraction form
    11,051.20/15,240.18 = 8,529.27/x
  3. Step 3: Cross multiply
    11,051.20x = 15,240.18 × 8,529.27
  4. Step 4: Simplify right side
    11,051.20x = 129,987,610.07
  5. Step 5: Solve for x
    x = 129,987,610.07/11,051.20
  6. Step 6: Final answer
    x = 11,762.31

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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.