Home / 11,321.10-16,981.65-6,072.30

Finding the Fourth Proportional to 11,321.10, 16,981.65 and 6,072.30

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Solution

The fourth proportional to 11,321.10, 16,981.65 and 6,072.30 is: 9,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.10 : 16,981.65 = 6,072.30 : x
  2. Step 2: Convert to fraction form
    11,321.10/16,981.65 = 6,072.30/x
  3. Step 3: Cross multiply
    11,321.10x = 16,981.65 × 6,072.30
  4. Step 4: Simplify right side
    11,321.10x = 103,117,673.30
  5. Step 5: Solve for x
    x = 103,117,673.30/11,321.10
  6. Step 6: Final answer
    x = 9,108.45

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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.