Home / 9,388.60-14,082.89-3,768.80

Finding the Fourth Proportional to 9,388.60, 14,082.89 and 3,768.80

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Solution

The fourth proportional to 9,388.60, 14,082.89 and 3,768.80 is: 5,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,388.60 : 14,082.89 = 3,768.80 : x
  2. Step 2: Convert to fraction form
    9,388.60/14,082.89 = 3,768.80/x
  3. Step 3: Cross multiply
    9,388.60x = 14,082.89 × 3,768.80
  4. Step 4: Simplify right side
    9,388.60x = 53,075,506.57
  5. Step 5: Solve for x
    x = 53,075,506.57/9,388.60
  6. Step 6: Final answer
    x = 5,653.19

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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.