Home / 14,003.83-21,004.59-4,640.79

Finding the Fourth Proportional to 14,003.83, 21,004.59 and 4,640.79

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Solution

The fourth proportional to 14,003.83, 21,004.59 and 4,640.79 is: 6,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.83 : 21,004.59 = 4,640.79 : x
  2. Step 2: Convert to fraction form
    14,003.83/21,004.59 = 4,640.79/x
  3. Step 3: Cross multiply
    14,003.83x = 21,004.59 × 4,640.79
  4. Step 4: Simplify right side
    14,003.83x = 97,477,891.23
  5. Step 5: Solve for x
    x = 97,477,891.23/14,003.83
  6. Step 6: Final answer
    x = 6,960.80

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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.