Home / 9,429.62-14,148.07-2,855.86

Finding the Fourth Proportional to 9,429.62, 14,148.07 and 2,855.86

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Solution

The fourth proportional to 9,429.62, 14,148.07 and 2,855.86 is: 4,284.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.62 : 14,148.07 = 2,855.86 : x
  2. Step 2: Convert to fraction form
    9,429.62/14,148.07 = 2,855.86/x
  3. Step 3: Cross multiply
    9,429.62x = 14,148.07 × 2,855.86
  4. Step 4: Simplify right side
    9,429.62x = 40,404,864.68
  5. Step 5: Solve for x
    x = 40,404,864.68/9,429.62
  6. Step 6: Final answer
    x = 4,284.89

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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.