Home / 12,767.91-19,153.67-4,000.47

Finding the Fourth Proportional to 12,767.91, 19,153.67 and 4,000.47

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Solution

The fourth proportional to 12,767.91, 19,153.67 and 4,000.47 is: 6,001.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,767.91 : 19,153.67 = 4,000.47 : x
  2. Step 2: Convert to fraction form
    12,767.91/19,153.67 = 4,000.47/x
  3. Step 3: Cross multiply
    12,767.91x = 19,153.67 × 4,000.47
  4. Step 4: Simplify right side
    12,767.91x = 76,623,682.22
  5. Step 5: Solve for x
    x = 76,623,682.22/12,767.91
  6. Step 6: Final answer
    x = 6,001.27

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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.