Home / 11,660.96-16,089.36-6,625.28

Finding the Fourth Proportional to 11,660.96, 16,089.36 and 6,625.28

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Solution

The fourth proportional to 11,660.96, 16,089.36 and 6,625.28 is: 9,141.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.96 : 16,089.36 = 6,625.28 : x
  2. Step 2: Convert to fraction form
    11,660.96/16,089.36 = 6,625.28/x
  3. Step 3: Cross multiply
    11,660.96x = 16,089.36 × 6,625.28
  4. Step 4: Simplify right side
    11,660.96x = 106,596,515.02
  5. Step 5: Solve for x
    x = 106,596,515.02/11,660.96
  6. Step 6: Final answer
    x = 9,141.32

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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.