Home / 14,206.89-21,284.37-11,986.63

Finding the Fourth Proportional to 14,206.89, 21,284.37 and 11,986.63

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Solution

The fourth proportional to 14,206.89, 21,284.37 and 11,986.63 is: 17,958.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,206.89 : 21,284.37 = 11,986.63 : x
  2. Step 2: Convert to fraction form
    14,206.89/21,284.37 = 11,986.63/x
  3. Step 3: Cross multiply
    14,206.89x = 21,284.37 × 11,986.63
  4. Step 4: Simplify right side
    14,206.89x = 255,127,934.49
  5. Step 5: Solve for x
    x = 255,127,934.49/14,206.89
  6. Step 6: Final answer
    x = 17,958.04

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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.