Home / 11,981.01-16,533.91-6,603.64

Finding the Fourth Proportional to 11,981.01, 16,533.91 and 6,603.64

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Solution

The fourth proportional to 11,981.01, 16,533.91 and 6,603.64 is: 9,113.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,981.01 : 16,533.91 = 6,603.64 : x
  2. Step 2: Convert to fraction form
    11,981.01/16,533.91 = 6,603.64/x
  3. Step 3: Cross multiply
    11,981.01x = 16,533.91 × 6,603.64
  4. Step 4: Simplify right side
    11,981.01x = 109,183,989.43
  5. Step 5: Solve for x
    x = 109,183,989.43/11,981.01
  6. Step 6: Final answer
    x = 9,113.09

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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.