Home / 20,627.35-30,897.95-13,194.05

Finding the Fourth Proportional to 20,627.35, 30,897.95 and 13,194.05

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Solution

The fourth proportional to 20,627.35, 30,897.95 and 13,194.05 is: 19,763.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627.35 : 30,897.95 = 13,194.05 : x
  2. Step 2: Convert to fraction form
    20,627.35/30,897.95 = 13,194.05/x
  3. Step 3: Cross multiply
    20,627.35x = 30,897.95 × 13,194.05
  4. Step 4: Simplify right side
    20,627.35x = 407,668,876.74
  5. Step 5: Solve for x
    x = 407,668,876.74/20,627.35
  6. Step 6: Final answer
    x = 19,763.51

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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.