Home / 14,260.80-21,391.48-4,900.72

Finding the Fourth Proportional to 14,260.80, 21,391.48 and 4,900.72

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Solution

The fourth proportional to 14,260.80, 21,391.48 and 4,900.72 is: 7,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.80 : 21,391.48 = 4,900.72 : x
  2. Step 2: Convert to fraction form
    14,260.80/21,391.48 = 4,900.72/x
  3. Step 3: Cross multiply
    14,260.80x = 21,391.48 × 4,900.72
  4. Step 4: Simplify right side
    14,260.80x = 104,833,653.87
  5. Step 5: Solve for x
    x = 104,833,653.87/14,260.80
  6. Step 6: Final answer
    x = 7,351.18

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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.