Home / 14,106.42-19,467.48-7,818.36

Finding the Fourth Proportional to 14,106.42, 19,467.48 and 7,818.36

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Solution

The fourth proportional to 14,106.42, 19,467.48 and 7,818.36 is: 10,789.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.42 : 19,467.48 = 7,818.36 : x
  2. Step 2: Convert to fraction form
    14,106.42/19,467.48 = 7,818.36/x
  3. Step 3: Cross multiply
    14,106.42x = 19,467.48 × 7,818.36
  4. Step 4: Simplify right side
    14,106.42x = 152,203,766.93
  5. Step 5: Solve for x
    x = 152,203,766.93/14,106.42
  6. Step 6: Final answer
    x = 10,789.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.