Home / 11,566.16-17,351.40-4,641.20

Finding the Fourth Proportional to 11,566.16, 17,351.40 and 4,641.20

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Solution

The fourth proportional to 11,566.16, 17,351.40 and 4,641.20 is: 6,962.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,566.16 : 17,351.40 = 4,641.20 : x
  2. Step 2: Convert to fraction form
    11,566.16/17,351.40 = 4,641.20/x
  3. Step 3: Cross multiply
    11,566.16x = 17,351.40 × 4,641.20
  4. Step 4: Simplify right side
    11,566.16x = 80,531,317.68
  5. Step 5: Solve for x
    x = 80,531,317.68/11,566.16
  6. Step 6: Final answer
    x = 6,962.67

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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.