Home / 16,165.07-22,318.77-11,916.62

Finding the Fourth Proportional to 16,165.07, 22,318.77 and 11,916.62

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Solution

The fourth proportional to 16,165.07, 22,318.77 and 11,916.62 is: 16,453.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,165.07 : 22,318.77 = 11,916.62 : x
  2. Step 2: Convert to fraction form
    16,165.07/22,318.77 = 11,916.62/x
  3. Step 3: Cross multiply
    16,165.07x = 22,318.77 × 11,916.62
  4. Step 4: Simplify right side
    16,165.07x = 265,964,300.96
  5. Step 5: Solve for x
    x = 265,964,300.96/16,165.07
  6. Step 6: Final answer
    x = 16,453.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.