Home / 14,281.35-21,427.16-6,383.21

Finding the Fourth Proportional to 14,281.35, 21,427.16 and 6,383.21

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Solution

The fourth proportional to 14,281.35, 21,427.16 and 6,383.21 is: 9,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.35 : 21,427.16 = 6,383.21 : x
  2. Step 2: Convert to fraction form
    14,281.35/21,427.16 = 6,383.21/x
  3. Step 3: Cross multiply
    14,281.35x = 21,427.16 × 6,383.21
  4. Step 4: Simplify right side
    14,281.35x = 136,773,940.88
  5. Step 5: Solve for x
    x = 136,773,940.88/14,281.35
  6. Step 6: Final answer
    x = 9,577.10

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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.