Home / 14,002.83-21,003.09-4,639.79

Finding the Fourth Proportional to 14,002.83, 21,003.09 and 4,639.79

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Solution

The fourth proportional to 14,002.83, 21,003.09 and 4,639.79 is: 6,959.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.83 : 21,003.09 = 4,639.79 : x
  2. Step 2: Convert to fraction form
    14,002.83/21,003.09 = 4,639.79/x
  3. Step 3: Cross multiply
    14,002.83x = 21,003.09 × 4,639.79
  4. Step 4: Simplify right side
    14,002.83x = 97,449,821.94
  5. Step 5: Solve for x
    x = 97,449,821.94/14,002.83
  6. Step 6: Final answer
    x = 6,959.29

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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.