Home / 11,124.69-15,351.03-6,647.55

Finding the Fourth Proportional to 11,124.69, 15,351.03 and 6,647.55

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Solution

The fourth proportional to 11,124.69, 15,351.03 and 6,647.55 is: 9,173.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.69 : 15,351.03 = 6,647.55 : x
  2. Step 2: Convert to fraction form
    11,124.69/15,351.03 = 6,647.55/x
  3. Step 3: Cross multiply
    11,124.69x = 15,351.03 × 6,647.55
  4. Step 4: Simplify right side
    11,124.69x = 102,046,739.48
  5. Step 5: Solve for x
    x = 102,046,739.48/11,124.69
  6. Step 6: Final answer
    x = 9,173.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.