Home / 11,101.40-16,661.55-4,532.30

Finding the Fourth Proportional to 11,101.40, 16,661.55 and 4,532.30

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Solution

The fourth proportional to 11,101.40, 16,661.55 and 4,532.30 is: 6,802.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.40 : 16,661.55 = 4,532.30 : x
  2. Step 2: Convert to fraction form
    11,101.40/16,661.55 = 4,532.30/x
  3. Step 3: Cross multiply
    11,101.40x = 16,661.55 × 4,532.30
  4. Step 4: Simplify right side
    11,101.40x = 75,515,143.07
  5. Step 5: Solve for x
    x = 75,515,143.07/11,101.40
  6. Step 6: Final answer
    x = 6,802.31

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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.