Home / 11,050.40-16,561.20-5,126.60

Finding the Fourth Proportional to 11,050.40, 16,561.20 and 5,126.60

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Solution

The fourth proportional to 11,050.40, 16,561.20 and 5,126.60 is: 7,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,050.40 : 16,561.20 = 5,126.60 : x
  2. Step 2: Convert to fraction form
    11,050.40/16,561.20 = 5,126.60/x
  3. Step 3: Cross multiply
    11,050.40x = 16,561.20 × 5,126.60
  4. Step 4: Simplify right side
    11,050.40x = 84,902,647.92
  5. Step 5: Solve for x
    x = 84,902,647.92/11,050.40
  6. Step 6: Final answer
    x = 7,683.22

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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.