Home / 20,006.76-30,036.06-12,626.04

Finding the Fourth Proportional to 20,006.76, 30,036.06 and 12,626.04

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Solution

The fourth proportional to 20,006.76, 30,036.06 and 12,626.04 is: 18,955.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,006.76 : 30,036.06 = 12,626.04 : x
  2. Step 2: Convert to fraction form
    20,006.76/30,036.06 = 12,626.04/x
  3. Step 3: Cross multiply
    20,006.76x = 30,036.06 × 12,626.04
  4. Step 4: Simplify right side
    20,006.76x = 379,236,495.00
  5. Step 5: Solve for x
    x = 379,236,495.00/20,006.76
  6. Step 6: Final answer
    x = 18,955.42

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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.