Home / 12,723.93-19,087.64-4,401.72

Finding the Fourth Proportional to 12,723.93, 19,087.64 and 4,401.72

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Solution

The fourth proportional to 12,723.93, 19,087.64 and 4,401.72 is: 6,603.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.93 : 19,087.64 = 4,401.72 : x
  2. Step 2: Convert to fraction form
    12,723.93/19,087.64 = 4,401.72/x
  3. Step 3: Cross multiply
    12,723.93x = 19,087.64 × 4,401.72
  4. Step 4: Simplify right side
    12,723.93x = 84,018,424.73
  5. Step 5: Solve for x
    x = 84,018,424.73/12,723.93
  6. Step 6: Final answer
    x = 6,603.18

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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.