Home / 11,313.21-15,610.71-6,277.17

Finding the Fourth Proportional to 11,313.21, 15,610.71 and 6,277.17

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Solution

The fourth proportional to 11,313.21, 15,610.71 and 6,277.17 is: 8,661.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.21 : 15,610.71 = 6,277.17 : x
  2. Step 2: Convert to fraction form
    11,313.21/15,610.71 = 6,277.17/x
  3. Step 3: Cross multiply
    11,313.21x = 15,610.71 × 6,277.17
  4. Step 4: Simplify right side
    11,313.21x = 97,991,080.49
  5. Step 5: Solve for x
    x = 97,991,080.49/11,313.21
  6. Step 6: Final answer
    x = 8,661.65

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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.