Home / 12,764.48-19,146.71-4,000.07

Finding the Fourth Proportional to 12,764.48, 19,146.71 and 4,000.07

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Solution

The fourth proportional to 12,764.48, 19,146.71 and 4,000.07 is: 6,000.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.48 : 19,146.71 = 4,000.07 : x
  2. Step 2: Convert to fraction form
    12,764.48/19,146.71 = 4,000.07/x
  3. Step 3: Cross multiply
    12,764.48x = 19,146.71 × 4,000.07
  4. Step 4: Simplify right side
    12,764.48x = 76,588,238.14
  5. Step 5: Solve for x
    x = 76,588,238.14/12,764.48
  6. Step 6: Final answer
    x = 6,000.11

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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.