Home / 12,943.61-19,415.44-3,583.66

Finding the Fourth Proportional to 12,943.61, 19,415.44 and 3,583.66

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Solution

The fourth proportional to 12,943.61, 19,415.44 and 3,583.66 is: 5,375.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943.61 : 19,415.44 = 3,583.66 : x
  2. Step 2: Convert to fraction form
    12,943.61/19,415.44 = 3,583.66/x
  3. Step 3: Cross multiply
    12,943.61x = 19,415.44 × 3,583.66
  4. Step 4: Simplify right side
    12,943.61x = 69,578,335.71
  5. Step 5: Solve for x
    x = 69,578,335.71/12,943.61
  6. Step 6: Final answer
    x = 5,375.50

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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.