Home / 11,106.48-16,680.78-9,836.40

Finding the Fourth Proportional to 11,106.48, 16,680.78 and 9,836.40

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Solution

The fourth proportional to 11,106.48, 16,680.78 and 9,836.40 is: 14,773.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.48 : 16,680.78 = 9,836.40 : x
  2. Step 2: Convert to fraction form
    11,106.48/16,680.78 = 9,836.40/x
  3. Step 3: Cross multiply
    11,106.48x = 16,680.78 × 9,836.40
  4. Step 4: Simplify right side
    11,106.48x = 164,078,824.39
  5. Step 5: Solve for x
    x = 164,078,824.39/11,106.48
  6. Step 6: Final answer
    x = 14,773.25

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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.