Home / 14,036.14-21,069.36-12,486.04

Finding the Fourth Proportional to 14,036.14, 21,069.36 and 12,486.04

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Solution

The fourth proportional to 14,036.14, 21,069.36 and 12,486.04 is: 18,742.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036.14 : 21,069.36 = 12,486.04 : x
  2. Step 2: Convert to fraction form
    14,036.14/21,069.36 = 12,486.04/x
  3. Step 3: Cross multiply
    14,036.14x = 21,069.36 × 12,486.04
  4. Step 4: Simplify right side
    14,036.14x = 263,072,871.73
  5. Step 5: Solve for x
    x = 263,072,871.73/14,036.14
  6. Step 6: Final answer
    x = 18,742.54

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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.