Home / 10,830.78-14,943.33-6,800.94

Finding the Fourth Proportional to 10,830.78, 14,943.33 and 6,800.94

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Solution

The fourth proportional to 10,830.78, 14,943.33 and 6,800.94 is: 9,383.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.78 : 14,943.33 = 6,800.94 : x
  2. Step 2: Convert to fraction form
    10,830.78/14,943.33 = 6,800.94/x
  3. Step 3: Cross multiply
    10,830.78x = 14,943.33 × 6,800.94
  4. Step 4: Simplify right side
    10,830.78x = 101,628,690.73
  5. Step 5: Solve for x
    x = 101,628,690.73/10,830.78
  6. Step 6: Final answer
    x = 9,383.32

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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.