Home / 10,382.49-15,573.54-2,986.98

Finding the Fourth Proportional to 10,382.49, 15,573.54 and 2,986.98

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Solution

The fourth proportional to 10,382.49, 15,573.54 and 2,986.98 is: 4,480.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.49 : 15,573.54 = 2,986.98 : x
  2. Step 2: Convert to fraction form
    10,382.49/15,573.54 = 2,986.98/x
  3. Step 3: Cross multiply
    10,382.49x = 15,573.54 × 2,986.98
  4. Step 4: Simplify right side
    10,382.49x = 46,517,852.51
  5. Step 5: Solve for x
    x = 46,517,852.51/10,382.49
  6. Step 6: Final answer
    x = 4,480.41

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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.