Home / 11,210.09-16,812.57-3,312.73

Finding the Fourth Proportional to 11,210.09, 16,812.57 and 3,312.73

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Solution

The fourth proportional to 11,210.09, 16,812.57 and 3,312.73 is: 4,968.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.09 : 16,812.57 = 3,312.73 : x
  2. Step 2: Convert to fraction form
    11,210.09/16,812.57 = 3,312.73/x
  3. Step 3: Cross multiply
    11,210.09x = 16,812.57 × 3,312.73
  4. Step 4: Simplify right side
    11,210.09x = 55,695,505.02
  5. Step 5: Solve for x
    x = 55,695,505.02/11,210.09
  6. Step 6: Final answer
    x = 4,968.34

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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.