Home / 11,928.63-16,460.29-6,894.47

Finding the Fourth Proportional to 11,928.63, 16,460.29 and 6,894.47

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Solution

The fourth proportional to 11,928.63, 16,460.29 and 6,894.47 is: 9,513.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.63 : 16,460.29 = 6,894.47 : x
  2. Step 2: Convert to fraction form
    11,928.63/16,460.29 = 6,894.47/x
  3. Step 3: Cross multiply
    11,928.63x = 16,460.29 × 6,894.47
  4. Step 4: Simplify right side
    11,928.63x = 113,485,025.37
  5. Step 5: Solve for x
    x = 113,485,025.37/11,928.63
  6. Step 6: Final answer
    x = 9,513.66

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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.