Home / 12,749.54-19,116.75-4,852.65

Finding the Fourth Proportional to 12,749.54, 19,116.75 and 4,852.65

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Solution

The fourth proportional to 12,749.54, 19,116.75 and 4,852.65 is: 7,276.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749.54 : 19,116.75 = 4,852.65 : x
  2. Step 2: Convert to fraction form
    12,749.54/19,116.75 = 4,852.65/x
  3. Step 3: Cross multiply
    12,749.54x = 19,116.75 × 4,852.65
  4. Step 4: Simplify right side
    12,749.54x = 92,766,896.89
  5. Step 5: Solve for x
    x = 92,766,896.89/12,749.54
  6. Step 6: Final answer
    x = 7,276.10

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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.