Home / 11,621.51-16,037.75-6,316.32

Finding the Fourth Proportional to 11,621.51, 16,037.75 and 6,316.32

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Solution

The fourth proportional to 11,621.51, 16,037.75 and 6,316.32 is: 8,716.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.51 : 16,037.75 = 6,316.32 : x
  2. Step 2: Convert to fraction form
    11,621.51/16,037.75 = 6,316.32/x
  3. Step 3: Cross multiply
    11,621.51x = 16,037.75 × 6,316.32
  4. Step 4: Simplify right side
    11,621.51x = 101,299,561.08
  5. Step 5: Solve for x
    x = 101,299,561.08/11,621.51
  6. Step 6: Final answer
    x = 8,716.56

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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.