Home / 16,808.40-23,212.48-13,853.52

Finding the Fourth Proportional to 16,808.40, 23,212.48 and 13,853.52

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Solution

The fourth proportional to 16,808.40, 23,212.48 and 13,853.52 is: 19,131.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,808.40 : 23,212.48 = 13,853.52 : x
  2. Step 2: Convert to fraction form
    16,808.40/23,212.48 = 13,853.52/x
  3. Step 3: Cross multiply
    16,808.40x = 23,212.48 × 13,853.52
  4. Step 4: Simplify right side
    16,808.40x = 321,574,555.93
  5. Step 5: Solve for x
    x = 321,574,555.93/16,808.40
  6. Step 6: Final answer
    x = 19,131.78

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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.