Home / 11,235.40-16,820.46-6,541.09

Finding the Fourth Proportional to 11,235.40, 16,820.46 and 6,541.09

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Solution

The fourth proportional to 11,235.40, 16,820.46 and 6,541.09 is: 9,792.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.40 : 16,820.46 = 6,541.09 : x
  2. Step 2: Convert to fraction form
    11,235.40/16,820.46 = 6,541.09/x
  3. Step 3: Cross multiply
    11,235.40x = 16,820.46 × 6,541.09
  4. Step 4: Simplify right side
    11,235.40x = 110,024,142.70
  5. Step 5: Solve for x
    x = 110,024,142.70/11,235.40
  6. Step 6: Final answer
    x = 9,792.63

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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.