Home / 11,403.86-17,081.79-5,840.30

Finding the Fourth Proportional to 11,403.86, 17,081.79 and 5,840.30

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Solution

The fourth proportional to 11,403.86, 17,081.79 and 5,840.30 is: 8,748.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.86 : 17,081.79 = 5,840.30 : x
  2. Step 2: Convert to fraction form
    11,403.86/17,081.79 = 5,840.30/x
  3. Step 3: Cross multiply
    11,403.86x = 17,081.79 × 5,840.30
  4. Step 4: Simplify right side
    11,403.86x = 99,762,778.14
  5. Step 5: Solve for x
    x = 99,762,778.14/11,403.86
  6. Step 6: Final answer
    x = 8,748.16

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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.