Home / 11,216.26-15,475.01-6,499.63

Finding the Fourth Proportional to 11,216.26, 15,475.01 and 6,499.63

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Solution

The fourth proportional to 11,216.26, 15,475.01 and 6,499.63 is: 8,967.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.26 : 15,475.01 = 6,499.63 : x
  2. Step 2: Convert to fraction form
    11,216.26/15,475.01 = 6,499.63/x
  3. Step 3: Cross multiply
    11,216.26x = 15,475.01 × 6,499.63
  4. Step 4: Simplify right side
    11,216.26x = 100,581,839.25
  5. Step 5: Solve for x
    x = 100,581,839.25/11,216.26
  6. Step 6: Final answer
    x = 8,967.50

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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.