Home / 12,718.02-19,063.26-5,326.50

Finding the Fourth Proportional to 12,718.02, 19,063.26 and 5,326.50

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Solution

The fourth proportional to 12,718.02, 19,063.26 and 5,326.50 is: 7,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718.02 : 19,063.26 = 5,326.50 : x
  2. Step 2: Convert to fraction form
    12,718.02/19,063.26 = 5,326.50/x
  3. Step 3: Cross multiply
    12,718.02x = 19,063.26 × 5,326.50
  4. Step 4: Simplify right side
    12,718.02x = 101,540,454.39
  5. Step 5: Solve for x
    x = 101,540,454.39/12,718.02
  6. Step 6: Final answer
    x = 7,983.98

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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.