Home / 9,661.36-13,334.76-5,885.77

Finding the Fourth Proportional to 9,661.36, 13,334.76 and 5,885.77

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Solution

The fourth proportional to 9,661.36, 13,334.76 and 5,885.77 is: 8,123.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,661.36 : 13,334.76 = 5,885.77 : x
  2. Step 2: Convert to fraction form
    9,661.36/13,334.76 = 5,885.77/x
  3. Step 3: Cross multiply
    9,661.36x = 13,334.76 × 5,885.77
  4. Step 4: Simplify right side
    9,661.36x = 78,485,330.37
  5. Step 5: Solve for x
    x = 78,485,330.37/9,661.36
  6. Step 6: Final answer
    x = 8,123.63

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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.