Home / 10,133.06-13,983.85-6,356.39

Finding the Fourth Proportional to 10,133.06, 13,983.85 and 6,356.39

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Solution

The fourth proportional to 10,133.06, 13,983.85 and 6,356.39 is: 8,771.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.06 : 13,983.85 = 6,356.39 : x
  2. Step 2: Convert to fraction form
    10,133.06/13,983.85 = 6,356.39/x
  3. Step 3: Cross multiply
    10,133.06x = 13,983.85 × 6,356.39
  4. Step 4: Simplify right side
    10,133.06x = 88,886,770.93
  5. Step 5: Solve for x
    x = 88,886,770.93/10,133.06
  6. Step 6: Final answer
    x = 8,771.96

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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.