Home / 13,304.10-19,935.09-7,758.84

Finding the Fourth Proportional to 13,304.10, 19,935.09 and 7,758.84

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Solution

The fourth proportional to 13,304.10, 19,935.09 and 7,758.84 is: 11,625.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.10 : 19,935.09 = 7,758.84 : x
  2. Step 2: Convert to fraction form
    13,304.10/19,935.09 = 7,758.84/x
  3. Step 3: Cross multiply
    13,304.10x = 19,935.09 × 7,758.84
  4. Step 4: Simplify right side
    13,304.10x = 154,673,173.70
  5. Step 5: Solve for x
    x = 154,673,173.70/13,304.10
  6. Step 6: Final answer
    x = 11,625.98

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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.