Home / 12,717.07-19,075.61-3,951.99

Finding the Fourth Proportional to 12,717.07, 19,075.61 and 3,951.99

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Solution

The fourth proportional to 12,717.07, 19,075.61 and 3,951.99 is: 5,927.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717.07 : 19,075.61 = 3,951.99 : x
  2. Step 2: Convert to fraction form
    12,717.07/19,075.61 = 3,951.99/x
  3. Step 3: Cross multiply
    12,717.07x = 19,075.61 × 3,951.99
  4. Step 4: Simplify right side
    12,717.07x = 75,386,504.83
  5. Step 5: Solve for x
    x = 75,386,504.83/12,717.07
  6. Step 6: Final answer
    x = 5,927.98

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Similar ratio
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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.