Home / 11,260.79-16,894.12-4,240.86

Finding the Fourth Proportional to 11,260.79, 16,894.12 and 4,240.86

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Solution

The fourth proportional to 11,260.79, 16,894.12 and 4,240.86 is: 6,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,260.79 : 16,894.12 = 4,240.86 : x
  2. Step 2: Convert to fraction form
    11,260.79/16,894.12 = 4,240.86/x
  3. Step 3: Cross multiply
    11,260.79x = 16,894.12 × 4,240.86
  4. Step 4: Simplify right side
    11,260.79x = 71,645,597.74
  5. Step 5: Solve for x
    x = 71,645,597.74/11,260.79
  6. Step 6: Final answer
    x = 6,362.40

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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.