Home / 11,374.79-15,697.32-6,659.24

Finding the Fourth Proportional to 11,374.79, 15,697.32 and 6,659.24

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Solution

The fourth proportional to 11,374.79, 15,697.32 and 6,659.24 is: 9,189.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,374.79 : 15,697.32 = 6,659.24 : x
  2. Step 2: Convert to fraction form
    11,374.79/15,697.32 = 6,659.24/x
  3. Step 3: Cross multiply
    11,374.79x = 15,697.32 × 6,659.24
  4. Step 4: Simplify right side
    11,374.79x = 104,532,221.24
  5. Step 5: Solve for x
    x = 104,532,221.24/11,374.79
  6. Step 6: Final answer
    x = 9,189.82

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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.