Home / 9,111.94-13,635.40-6,616.02

Finding the Fourth Proportional to 9,111.94, 13,635.40 and 6,616.02

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Solution

The fourth proportional to 9,111.94, 13,635.40 and 6,616.02 is: 9,900.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111.94 : 13,635.40 = 6,616.02 : x
  2. Step 2: Convert to fraction form
    9,111.94/13,635.40 = 6,616.02/x
  3. Step 3: Cross multiply
    9,111.94x = 13,635.40 × 6,616.02
  4. Step 4: Simplify right side
    9,111.94x = 90,212,079.11
  5. Step 5: Solve for x
    x = 90,212,079.11/9,111.94
  6. Step 6: Final answer
    x = 9,900.43

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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.