Home / 11,187.18-16,785.63-9,957.60

Finding the Fourth Proportional to 11,187.18, 16,785.63 and 9,957.60

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Solution

The fourth proportional to 11,187.18, 16,785.63 and 9,957.60 is: 14,940.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.18 : 16,785.63 = 9,957.60 : x
  2. Step 2: Convert to fraction form
    11,187.18/16,785.63 = 9,957.60/x
  3. Step 3: Cross multiply
    11,187.18x = 16,785.63 × 9,957.60
  4. Step 4: Simplify right side
    11,187.18x = 167,144,589.29
  5. Step 5: Solve for x
    x = 167,144,589.29/11,187.18
  6. Step 6: Final answer
    x = 14,940.73

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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.