Home / 13,304.43-19,957.67-7,758.33

Finding the Fourth Proportional to 13,304.43, 19,957.67 and 7,758.33

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Solution

The fourth proportional to 13,304.43, 19,957.67 and 7,758.33 is: 11,638.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.43 : 19,957.67 = 7,758.33 : x
  2. Step 2: Convert to fraction form
    13,304.43/19,957.67 = 7,758.33/x
  3. Step 3: Cross multiply
    13,304.43x = 19,957.67 × 7,758.33
  4. Step 4: Simplify right side
    13,304.43x = 154,838,189.89
  5. Step 5: Solve for x
    x = 154,838,189.89/13,304.43
  6. Step 6: Final answer
    x = 11,638.09

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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.