Home / 11,661.24-16,089.66-7,475.16

Finding the Fourth Proportional to 11,661.24, 16,089.66 and 7,475.16

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Solution

The fourth proportional to 11,661.24, 16,089.66 and 7,475.16 is: 10,313.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.24 : 16,089.66 = 7,475.16 : x
  2. Step 2: Convert to fraction form
    11,661.24/16,089.66 = 7,475.16/x
  3. Step 3: Cross multiply
    11,661.24x = 16,089.66 × 7,475.16
  4. Step 4: Simplify right side
    11,661.24x = 120,272,782.85
  5. Step 5: Solve for x
    x = 120,272,782.85/11,661.24
  6. Step 6: Final answer
    x = 10,313.89

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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.