Home / 9,111.21-13,666.83-3,264.63

Finding the Fourth Proportional to 9,111.21, 13,666.83 and 3,264.63

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Solution

The fourth proportional to 9,111.21, 13,666.83 and 3,264.63 is: 4,896.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111.21 : 13,666.83 = 3,264.63 : x
  2. Step 2: Convert to fraction form
    9,111.21/13,666.83 = 3,264.63/x
  3. Step 3: Cross multiply
    9,111.21x = 13,666.83 × 3,264.63
  4. Step 4: Simplify right side
    9,111.21x = 44,617,143.22
  5. Step 5: Solve for x
    x = 44,617,143.22/9,111.21
  6. Step 6: Final answer
    x = 4,896.95

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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.