Home / 11,621.61-16,037.87-6,316.45

Finding the Fourth Proportional to 11,621.61, 16,037.87 and 6,316.45

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Solution

The fourth proportional to 11,621.61, 16,037.87 and 6,316.45 is: 8,716.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.61 : 16,037.87 = 6,316.45 : x
  2. Step 2: Convert to fraction form
    11,621.61/16,037.87 = 6,316.45/x
  3. Step 3: Cross multiply
    11,621.61x = 16,037.87 × 6,316.45
  4. Step 4: Simplify right side
    11,621.61x = 101,302,332.28
  5. Step 5: Solve for x
    x = 101,302,332.28/11,621.61
  6. Step 6: Final answer
    x = 8,716.72

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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.