Home / 16,818.72-23,184.44-13,829.36

Finding the Fourth Proportional to 16,818.72, 23,184.44 and 13,829.36

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Solution

The fourth proportional to 16,818.72, 23,184.44 and 13,829.36 is: 19,063.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.72 : 23,184.44 = 13,829.36 : x
  2. Step 2: Convert to fraction form
    16,818.72/23,184.44 = 13,829.36/x
  3. Step 3: Cross multiply
    16,818.72x = 23,184.44 × 13,829.36
  4. Step 4: Simplify right side
    16,818.72x = 320,625,967.16
  5. Step 5: Solve for x
    x = 320,625,967.16/16,818.72
  6. Step 6: Final answer
    x = 19,063.64

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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.