Home / 19,306.26-28,964.26-5,455.26

Finding the Fourth Proportional to 19,306.26, 28,964.26 and 5,455.26

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Solution

The fourth proportional to 19,306.26, 28,964.26 and 5,455.26 is: 8,184.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306.26 : 28,964.26 = 5,455.26 : x
  2. Step 2: Convert to fraction form
    19,306.26/28,964.26 = 5,455.26/x
  3. Step 3: Cross multiply
    19,306.26x = 28,964.26 × 5,455.26
  4. Step 4: Simplify right side
    19,306.26x = 158,007,569.01
  5. Step 5: Solve for x
    x = 158,007,569.01/19,306.26
  6. Step 6: Final answer
    x = 8,184.27

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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.