Home / 12,873.99-19,312.97-5,476.46

Finding the Fourth Proportional to 12,873.99, 19,312.97 and 5,476.46

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Solution

The fourth proportional to 12,873.99, 19,312.97 and 5,476.46 is: 8,215.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873.99 : 19,312.97 = 5,476.46 : x
  2. Step 2: Convert to fraction form
    12,873.99/19,312.97 = 5,476.46/x
  3. Step 3: Cross multiply
    12,873.99x = 19,312.97 × 5,476.46
  4. Step 4: Simplify right side
    12,873.99x = 105,766,728.59
  5. Step 5: Solve for x
    x = 105,766,728.59/12,873.99
  6. Step 6: Final answer
    x = 8,215.54

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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.