Home / 14,678.82-22,018.23-4,290.57

Finding the Fourth Proportional to 14,678.82, 22,018.23 and 4,290.57

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Solution

The fourth proportional to 14,678.82, 22,018.23 and 4,290.57 is: 6,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,678.82 : 22,018.23 = 4,290.57 : x
  2. Step 2: Convert to fraction form
    14,678.82/22,018.23 = 4,290.57/x
  3. Step 3: Cross multiply
    14,678.82x = 22,018.23 × 4,290.57
  4. Step 4: Simplify right side
    14,678.82x = 94,470,757.09
  5. Step 5: Solve for x
    x = 94,470,757.09/14,678.82
  6. Step 6: Final answer
    x = 6,435.86

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1.5x scale

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.