Home / 11,489.37-15,861.65-6,952.90

Finding the Fourth Proportional to 11,489.37, 15,861.65 and 6,952.90

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Solution

The fourth proportional to 11,489.37, 15,861.65 and 6,952.90 is: 9,598.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,489.37 : 15,861.65 = 6,952.90 : x
  2. Step 2: Convert to fraction form
    11,489.37/15,861.65 = 6,952.90/x
  3. Step 3: Cross multiply
    11,489.37x = 15,861.65 × 6,952.90
  4. Step 4: Simplify right side
    11,489.37x = 110,284,431.52
  5. Step 5: Solve for x
    x = 110,284,431.52/11,489.37
  6. Step 6: Final answer
    x = 9,598.82

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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.