Home / 11,007.09-16,495.11-8,530.31

Finding the Fourth Proportional to 11,007.09, 16,495.11 and 8,530.31

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Solution

The fourth proportional to 11,007.09, 16,495.11 and 8,530.31 is: 12,783.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.09 : 16,495.11 = 8,530.31 : x
  2. Step 2: Convert to fraction form
    11,007.09/16,495.11 = 8,530.31/x
  3. Step 3: Cross multiply
    11,007.09x = 16,495.11 × 8,530.31
  4. Step 4: Simplify right side
    11,007.09x = 140,708,443.02
  5. Step 5: Solve for x
    x = 140,708,443.02/11,007.09
  6. Step 6: Final answer
    x = 12,783.44

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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.