Home / 21,763.14-30,034.35-12,206.08

Finding the Fourth Proportional to 21,763.14, 30,034.35 and 12,206.08

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Solution

The fourth proportional to 21,763.14, 30,034.35 and 12,206.08 is: 16,845.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,763.14 : 30,034.35 = 12,206.08 : x
  2. Step 2: Convert to fraction form
    21,763.14/30,034.35 = 12,206.08/x
  3. Step 3: Cross multiply
    21,763.14x = 30,034.35 × 12,206.08
  4. Step 4: Simplify right side
    21,763.14x = 366,601,678.85
  5. Step 5: Solve for x
    x = 366,601,678.85/21,763.14
  6. Step 6: Final answer
    x = 16,845.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.