Home / 12,696.80-19,048.48-4,903.52

Finding the Fourth Proportional to 12,696.80, 19,048.48 and 4,903.52

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Solution

The fourth proportional to 12,696.80, 19,048.48 and 4,903.52 is: 7,356.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696.80 : 19,048.48 = 4,903.52 : x
  2. Step 2: Convert to fraction form
    12,696.80/19,048.48 = 4,903.52/x
  3. Step 3: Cross multiply
    12,696.80x = 19,048.48 × 4,903.52
  4. Step 4: Simplify right side
    12,696.80x = 93,404,602.65
  5. Step 5: Solve for x
    x = 93,404,602.65/12,696.80
  6. Step 6: Final answer
    x = 7,356.55

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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.