Home / 20,627.56-30,898.14-13,194.19

Finding the Fourth Proportional to 20,627.56, 30,898.14 and 13,194.19

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Solution

The fourth proportional to 20,627.56, 30,898.14 and 13,194.19 is: 19,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627.56 : 30,898.14 = 13,194.19 : x
  2. Step 2: Convert to fraction form
    20,627.56/30,898.14 = 13,194.19/x
  3. Step 3: Cross multiply
    20,627.56x = 30,898.14 × 13,194.19
  4. Step 4: Simplify right side
    20,627.56x = 407,675,929.81
  5. Step 5: Solve for x
    x = 407,675,929.81/20,627.56
  6. Step 6: Final answer
    x = 19,763.65

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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.