Home / 11,125.41-16,688.08-4,551.60

Finding the Fourth Proportional to 11,125.41, 16,688.08 and 4,551.60

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Solution

The fourth proportional to 11,125.41, 16,688.08 and 4,551.60 is: 6,827.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.41 : 16,688.08 = 4,551.60 : x
  2. Step 2: Convert to fraction form
    11,125.41/16,688.08 = 4,551.60/x
  3. Step 3: Cross multiply
    11,125.41x = 16,688.08 × 4,551.60
  4. Step 4: Simplify right side
    11,125.41x = 75,957,464.93
  5. Step 5: Solve for x
    x = 75,957,464.93/11,125.41
  6. Step 6: Final answer
    x = 6,827.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.