Home / 11,037.48-15,230.80-6,499.44

Finding the Fourth Proportional to 11,037.48, 15,230.80 and 6,499.44

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Solution

The fourth proportional to 11,037.48, 15,230.80 and 6,499.44 is: 8,968.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,037.48 : 15,230.80 = 6,499.44 : x
  2. Step 2: Convert to fraction form
    11,037.48/15,230.80 = 6,499.44/x
  3. Step 3: Cross multiply
    11,037.48x = 15,230.80 × 6,499.44
  4. Step 4: Simplify right side
    11,037.48x = 98,991,670.75
  5. Step 5: Solve for x
    x = 98,991,670.75/11,037.48
  6. Step 6: Final answer
    x = 8,968.68

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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.