Home / 12,913.04-19,369.14-3,679.04

Finding the Fourth Proportional to 12,913.04, 19,369.14 and 3,679.04

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Solution

The fourth proportional to 12,913.04, 19,369.14 and 3,679.04 is: 5,518.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,913.04 : 19,369.14 = 3,679.04 : x
  2. Step 2: Convert to fraction form
    12,913.04/19,369.14 = 3,679.04/x
  3. Step 3: Cross multiply
    12,913.04x = 19,369.14 × 3,679.04
  4. Step 4: Simplify right side
    12,913.04x = 71,259,840.83
  5. Step 5: Solve for x
    x = 71,259,840.83/12,913.04
  6. Step 6: Final answer
    x = 5,518.44

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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.