Home / 16,465.36-22,725.66-15,136.96

Finding the Fourth Proportional to 16,465.36, 22,725.66 and 15,136.96

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Solution

The fourth proportional to 16,465.36, 22,725.66 and 15,136.96 is: 20,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,465.36 : 22,725.66 = 15,136.96 : x
  2. Step 2: Convert to fraction form
    16,465.36/22,725.66 = 15,136.96/x
  3. Step 3: Cross multiply
    16,465.36x = 22,725.66 × 15,136.96
  4. Step 4: Simplify right side
    16,465.36x = 343,997,406.39
  5. Step 5: Solve for x
    x = 343,997,406.39/16,465.36
  6. Step 6: Final answer
    x = 20,892.19

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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.