Home / 11,076.40-16,614.60-9,618.40

Finding the Fourth Proportional to 11,076.40, 16,614.60 and 9,618.40

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Solution

The fourth proportional to 11,076.40, 16,614.60 and 9,618.40 is: 14,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.40 : 16,614.60 = 9,618.40 : x
  2. Step 2: Convert to fraction form
    11,076.40/16,614.60 = 9,618.40/x
  3. Step 3: Cross multiply
    11,076.40x = 16,614.60 × 9,618.40
  4. Step 4: Simplify right side
    11,076.40x = 159,805,868.64
  5. Step 5: Solve for x
    x = 159,805,868.64/11,076.40
  6. Step 6: Final answer
    x = 14,427.60

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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.