Home / 18,989.44-26,193.60-13,675.84

Finding the Fourth Proportional to 18,989.44, 26,193.60 and 13,675.84

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Solution

The fourth proportional to 18,989.44, 26,193.60 and 13,675.84 is: 18,864.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,989.44 : 26,193.60 = 13,675.84 : x
  2. Step 2: Convert to fraction form
    18,989.44/26,193.60 = 13,675.84/x
  3. Step 3: Cross multiply
    18,989.44x = 26,193.60 × 13,675.84
  4. Step 4: Simplify right side
    18,989.44x = 358,219,482.62
  5. Step 5: Solve for x
    x = 358,219,482.62/18,989.44
  6. Step 6: Final answer
    x = 18,864.14

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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.