Home / 10,810.78-14,919.39-6,336.07

Finding the Fourth Proportional to 10,810.78, 14,919.39 and 6,336.07

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Solution

The fourth proportional to 10,810.78, 14,919.39 and 6,336.07 is: 8,744.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,810.78 : 14,919.39 = 6,336.07 : x
  2. Step 2: Convert to fraction form
    10,810.78/14,919.39 = 6,336.07/x
  3. Step 3: Cross multiply
    10,810.78x = 14,919.39 × 6,336.07
  4. Step 4: Simplify right side
    10,810.78x = 94,530,262.10
  5. Step 5: Solve for x
    x = 94,530,262.10/10,810.78
  6. Step 6: Final answer
    x = 8,744.08

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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.