Home / 9,407.78-14,093.85-6,278.35

Finding the Fourth Proportional to 9,407.78, 14,093.85 and 6,278.35

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Solution

The fourth proportional to 9,407.78, 14,093.85 and 6,278.35 is: 9,405.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,407.78 : 14,093.85 = 6,278.35 : x
  2. Step 2: Convert to fraction form
    9,407.78/14,093.85 = 6,278.35/x
  3. Step 3: Cross multiply
    9,407.78x = 14,093.85 × 6,278.35
  4. Step 4: Simplify right side
    9,407.78x = 88,486,052.68
  5. Step 5: Solve for x
    x = 88,486,052.68/9,407.78
  6. Step 6: Final answer
    x = 9,405.63

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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.