Home / 12,741.64-19,106.06-4,419.42

Finding the Fourth Proportional to 12,741.64, 19,106.06 and 4,419.42

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Solution

The fourth proportional to 12,741.64, 19,106.06 and 4,419.42 is: 6,626.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.64 : 19,106.06 = 4,419.42 : x
  2. Step 2: Convert to fraction form
    12,741.64/19,106.06 = 4,419.42/x
  3. Step 3: Cross multiply
    12,741.64x = 19,106.06 × 4,419.42
  4. Step 4: Simplify right side
    12,741.64x = 84,437,703.69
  5. Step 5: Solve for x
    x = 84,437,703.69/12,741.64
  6. Step 6: Final answer
    x = 6,626.91

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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.