Home / 11,277.75-15,564.90-6,563.55

Finding the Fourth Proportional to 11,277.75, 15,564.90 and 6,563.55

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Solution

The fourth proportional to 11,277.75, 15,564.90 and 6,563.55 is: 9,058.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.75 : 15,564.90 = 6,563.55 : x
  2. Step 2: Convert to fraction form
    11,277.75/15,564.90 = 6,563.55/x
  3. Step 3: Cross multiply
    11,277.75x = 15,564.90 × 6,563.55
  4. Step 4: Simplify right side
    11,277.75x = 102,160,999.40
  5. Step 5: Solve for x
    x = 102,160,999.40/11,277.75
  6. Step 6: Final answer
    x = 9,058.63

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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.