Home / 11,037.64-15,231.81-6,561.58

Finding the Fourth Proportional to 11,037.64, 15,231.81 and 6,561.58

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Solution

The fourth proportional to 11,037.64, 15,231.81 and 6,561.58 is: 9,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,037.64 : 15,231.81 = 6,561.58 : x
  2. Step 2: Convert to fraction form
    11,037.64/15,231.81 = 6,561.58/x
  3. Step 3: Cross multiply
    11,037.64x = 15,231.81 × 6,561.58
  4. Step 4: Simplify right side
    11,037.64x = 99,944,739.86
  5. Step 5: Solve for x
    x = 99,944,739.86/11,037.64
  6. Step 6: Final answer
    x = 9,054.90

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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.