Home / 11,445.48-17,173.14-4,430.43

Finding the Fourth Proportional to 11,445.48, 17,173.14 and 4,430.43

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Solution

The fourth proportional to 11,445.48, 17,173.14 and 4,430.43 is: 6,647.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.48 : 17,173.14 = 4,430.43 : x
  2. Step 2: Convert to fraction form
    11,445.48/17,173.14 = 4,430.43/x
  3. Step 3: Cross multiply
    11,445.48x = 17,173.14 × 4,430.43
  4. Step 4: Simplify right side
    11,445.48x = 76,084,394.65
  5. Step 5: Solve for x
    x = 76,084,394.65/11,445.48
  6. Step 6: Final answer
    x = 6,647.55

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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.