Home / 17,705.58-26,502.21-9,890.70

Finding the Fourth Proportional to 17,705.58, 26,502.21 and 9,890.70

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Solution

The fourth proportional to 17,705.58, 26,502.21 and 9,890.70 is: 14,804.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,705.58 : 26,502.21 = 9,890.70 : x
  2. Step 2: Convert to fraction form
    17,705.58/26,502.21 = 9,890.70/x
  3. Step 3: Cross multiply
    17,705.58x = 26,502.21 × 9,890.70
  4. Step 4: Simplify right side
    17,705.58x = 262,125,408.45
  5. Step 5: Solve for x
    x = 262,125,408.45/17,705.58
  6. Step 6: Final answer
    x = 14,804.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.