Home / 9,941.80-13,718.36-5,692.36

Finding the Fourth Proportional to 9,941.80, 13,718.36 and 5,692.36

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Solution

The fourth proportional to 9,941.80, 13,718.36 and 5,692.36 is: 7,854.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,941.80 : 13,718.36 = 5,692.36 : x
  2. Step 2: Convert to fraction form
    9,941.80/13,718.36 = 5,692.36/x
  3. Step 3: Cross multiply
    9,941.80x = 13,718.36 × 5,692.36
  4. Step 4: Simplify right side
    9,941.80x = 78,089,843.73
  5. Step 5: Solve for x
    x = 78,089,843.73/9,941.80
  6. Step 6: Final answer
    x = 7,854.70

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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.