Home / 14,222.64-21,355.88-12,677.16

Finding the Fourth Proportional to 14,222.64, 21,355.88 and 12,677.16

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Solution

The fourth proportional to 14,222.64, 21,355.88 and 12,677.16 is: 19,035.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.64 : 21,355.88 = 12,677.16 : x
  2. Step 2: Convert to fraction form
    14,222.64/21,355.88 = 12,677.16/x
  3. Step 3: Cross multiply
    14,222.64x = 21,355.88 × 12,677.16
  4. Step 4: Simplify right side
    14,222.64x = 270,731,907.70
  5. Step 5: Solve for x
    x = 270,731,907.70/14,222.64
  6. Step 6: Final answer
    x = 19,035.28

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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.