Home / 14,218.23-21,327.36-4,356.21

Finding the Fourth Proportional to 14,218.23, 21,327.36 and 4,356.21

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Solution

The fourth proportional to 14,218.23, 21,327.36 and 4,356.21 is: 6,534.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.23 : 21,327.36 = 4,356.21 : x
  2. Step 2: Convert to fraction form
    14,218.23/21,327.36 = 4,356.21/x
  3. Step 3: Cross multiply
    14,218.23x = 21,327.36 × 4,356.21
  4. Step 4: Simplify right side
    14,218.23x = 92,906,458.91
  5. Step 5: Solve for x
    x = 92,906,458.91/14,218.23
  6. Step 6: Final answer
    x = 6,534.32

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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.