Home / 11,627.28-16,045.70-6,911.60

Finding the Fourth Proportional to 11,627.28, 16,045.70 and 6,911.60

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Solution

The fourth proportional to 11,627.28, 16,045.70 and 6,911.60 is: 9,538.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,627.28 : 16,045.70 = 6,911.60 : x
  2. Step 2: Convert to fraction form
    11,627.28/16,045.70 = 6,911.60/x
  3. Step 3: Cross multiply
    11,627.28x = 16,045.70 × 6,911.60
  4. Step 4: Simplify right side
    11,627.28x = 110,901,345.33
  5. Step 5: Solve for x
    x = 110,901,345.33/11,627.28
  6. Step 6: Final answer
    x = 9,538.03

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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.