Home / 11,878.37-17,812.29-6,330.68

Finding the Fourth Proportional to 11,878.37, 17,812.29 and 6,330.68

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Solution

The fourth proportional to 11,878.37, 17,812.29 and 6,330.68 is: 9,493.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878.37 : 17,812.29 = 6,330.68 : x
  2. Step 2: Convert to fraction form
    11,878.37/17,812.29 = 6,330.68/x
  3. Step 3: Cross multiply
    11,878.37x = 17,812.29 × 6,330.68
  4. Step 4: Simplify right side
    11,878.37x = 112,763,908.06
  5. Step 5: Solve for x
    x = 112,763,908.06/11,878.37
  6. Step 6: Final answer
    x = 9,493.21

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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.