Home / 14,106.47-19,556.04-13,357.44

Finding the Fourth Proportional to 14,106.47, 19,556.04 and 13,357.44

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Solution

The fourth proportional to 14,106.47, 19,556.04 and 13,357.44 is: 18,517.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.47 : 19,556.04 = 13,357.44 : x
  2. Step 2: Convert to fraction form
    14,106.47/19,556.04 = 13,357.44/x
  3. Step 3: Cross multiply
    14,106.47x = 19,556.04 × 13,357.44
  4. Step 4: Simplify right side
    14,106.47x = 261,218,681.03
  5. Step 5: Solve for x
    x = 261,218,681.03/14,106.47
  6. Step 6: Final answer
    x = 18,517.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.