Home / 16,138.39-22,270.99-9,064.81

Finding the Fourth Proportional to 16,138.39, 22,270.99 and 9,064.81

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Solution

The fourth proportional to 16,138.39, 22,270.99 and 9,064.81 is: 12,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,138.39 : 22,270.99 = 9,064.81 : x
  2. Step 2: Convert to fraction form
    16,138.39/22,270.99 = 9,064.81/x
  3. Step 3: Cross multiply
    16,138.39x = 22,270.99 × 9,064.81
  4. Step 4: Simplify right side
    16,138.39x = 201,882,292.86
  5. Step 5: Solve for x
    x = 201,882,292.86/16,138.39
  6. Step 6: Final answer
    x = 12,509.44

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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.