Home / 11,908.92-16,434.32-6,603.80

Finding the Fourth Proportional to 11,908.92, 16,434.32 and 6,603.80

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Solution

The fourth proportional to 11,908.92, 16,434.32 and 6,603.80 is: 9,113.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.92 : 16,434.32 = 6,603.80 : x
  2. Step 2: Convert to fraction form
    11,908.92/16,434.32 = 6,603.80/x
  3. Step 3: Cross multiply
    11,908.92x = 16,434.32 × 6,603.80
  4. Step 4: Simplify right side
    11,908.92x = 108,528,962.42
  5. Step 5: Solve for x
    x = 108,528,962.42/11,908.92
  6. Step 6: Final answer
    x = 9,113.25

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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.