Home / 12,849.06-19,260.46-7,290.66

Finding the Fourth Proportional to 12,849.06, 19,260.46 and 7,290.66

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Solution

The fourth proportional to 12,849.06, 19,260.46 and 7,290.66 is: 10,928.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849.06 : 19,260.46 = 7,290.66 : x
  2. Step 2: Convert to fraction form
    12,849.06/19,260.46 = 7,290.66/x
  3. Step 3: Cross multiply
    12,849.06x = 19,260.46 × 7,290.66
  4. Step 4: Simplify right side
    12,849.06x = 140,421,510.53
  5. Step 5: Solve for x
    x = 140,421,510.53/12,849.06
  6. Step 6: Final answer
    x = 10,928.54

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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.