Home / 18,118.37-24,991.84-13,089.98

Finding the Fourth Proportional to 18,118.37, 24,991.84 and 13,089.98

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Solution

The fourth proportional to 18,118.37, 24,991.84 and 13,089.98 is: 18,055.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.37 : 24,991.84 = 13,089.98 : x
  2. Step 2: Convert to fraction form
    18,118.37/24,991.84 = 13,089.98/x
  3. Step 3: Cross multiply
    18,118.37x = 24,991.84 × 13,089.98
  4. Step 4: Simplify right side
    18,118.37x = 327,142,685.76
  5. Step 5: Solve for x
    x = 327,142,685.76/18,118.37
  6. Step 6: Final answer
    x = 18,055.86

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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.