Home / 14,262.06-21,391.32-5,490.70

Finding the Fourth Proportional to 14,262.06, 21,391.32 and 5,490.70

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Solution

The fourth proportional to 14,262.06, 21,391.32 and 5,490.70 is: 8,235.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,262.06 : 21,391.32 = 5,490.70 : x
  2. Step 2: Convert to fraction form
    14,262.06/21,391.32 = 5,490.70/x
  3. Step 3: Cross multiply
    14,262.06x = 21,391.32 × 5,490.70
  4. Step 4: Simplify right side
    14,262.06x = 117,453,320.72
  5. Step 5: Solve for x
    x = 117,453,320.72/14,262.06
  6. Step 6: Final answer
    x = 8,235.37

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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.