Home / 11,316.66-15,616.97-6,280.94

Finding the Fourth Proportional to 11,316.66, 15,616.97 and 6,280.94

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Solution

The fourth proportional to 11,316.66, 15,616.97 and 6,280.94 is: 8,667.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.66 : 15,616.97 = 6,280.94 : x
  2. Step 2: Convert to fraction form
    11,316.66/15,616.97 = 6,280.94/x
  3. Step 3: Cross multiply
    11,316.66x = 15,616.97 × 6,280.94
  4. Step 4: Simplify right side
    11,316.66x = 98,089,251.55
  5. Step 5: Solve for x
    x = 98,089,251.55/11,316.66
  6. Step 6: Final answer
    x = 8,667.69

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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.