Home / 11,349.86-15,664.19-6,873.50

Finding the Fourth Proportional to 11,349.86, 15,664.19 and 6,873.50

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Solution

The fourth proportional to 11,349.86, 15,664.19 and 6,873.50 is: 9,486.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.86 : 15,664.19 = 6,873.50 : x
  2. Step 2: Convert to fraction form
    11,349.86/15,664.19 = 6,873.50/x
  3. Step 3: Cross multiply
    11,349.86x = 15,664.19 × 6,873.50
  4. Step 4: Simplify right side
    11,349.86x = 107,667,697.28
  5. Step 5: Solve for x
    x = 107,667,697.28/11,349.86
  6. Step 6: Final answer
    x = 9,486.26

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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.