Home / 12,913.21-19,362.06-4,476.92

Finding the Fourth Proportional to 12,913.21, 19,362.06 and 4,476.92

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Solution

The fourth proportional to 12,913.21, 19,362.06 and 4,476.92 is: 6,712.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,913.21 : 19,362.06 = 4,476.92 : x
  2. Step 2: Convert to fraction form
    12,913.21/19,362.06 = 4,476.92/x
  3. Step 3: Cross multiply
    12,913.21x = 19,362.06 × 4,476.92
  4. Step 4: Simplify right side
    12,913.21x = 86,682,393.66
  5. Step 5: Solve for x
    x = 86,682,393.66/12,913.21
  6. Step 6: Final answer
    x = 6,712.69

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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.