Home / 14,218.93-21,321.37-4,355.83

Finding the Fourth Proportional to 14,218.93, 21,321.37 and 4,355.83

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Solution

The fourth proportional to 14,218.93, 21,321.37 and 4,355.83 is: 6,531.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.93 : 21,321.37 = 4,355.83 : x
  2. Step 2: Convert to fraction form
    14,218.93/21,321.37 = 4,355.83/x
  3. Step 3: Cross multiply
    14,218.93x = 21,321.37 × 4,355.83
  4. Step 4: Simplify right side
    14,218.93x = 92,872,263.09
  5. Step 5: Solve for x
    x = 92,872,263.09/14,218.93
  6. Step 6: Final answer
    x = 6,531.59

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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.