Home / 12,784.63-19,176.09-6,125.89

Finding the Fourth Proportional to 12,784.63, 19,176.09 and 6,125.89

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Solution

The fourth proportional to 12,784.63, 19,176.09 and 6,125.89 is: 9,188.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,784.63 : 19,176.09 = 6,125.89 : x
  2. Step 2: Convert to fraction form
    12,784.63/19,176.09 = 6,125.89/x
  3. Step 3: Cross multiply
    12,784.63x = 19,176.09 × 6,125.89
  4. Step 4: Simplify right side
    12,784.63x = 117,470,522.09
  5. Step 5: Solve for x
    x = 117,470,522.09/12,784.63
  6. Step 6: Final answer
    x = 9,188.42

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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.