Home / 9,429.08-14,143.74-2,855.55

Finding the Fourth Proportional to 9,429.08, 14,143.74 and 2,855.55

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Solution

The fourth proportional to 9,429.08, 14,143.74 and 2,855.55 is: 4,283.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.08 : 14,143.74 = 2,855.55 : x
  2. Step 2: Convert to fraction form
    9,429.08/14,143.74 = 2,855.55/x
  3. Step 3: Cross multiply
    9,429.08x = 14,143.74 × 2,855.55
  4. Step 4: Simplify right side
    9,429.08x = 40,388,207.12
  5. Step 5: Solve for x
    x = 40,388,207.12/9,429.08
  6. Step 6: Final answer
    x = 4,283.37

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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.