Home / 13,861.77-20,780.33-5,094.63

Finding the Fourth Proportional to 13,861.77, 20,780.33 and 5,094.63

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Solution

The fourth proportional to 13,861.77, 20,780.33 and 5,094.63 is: 7,637.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,861.77 : 20,780.33 = 5,094.63 : x
  2. Step 2: Convert to fraction form
    13,861.77/20,780.33 = 5,094.63/x
  3. Step 3: Cross multiply
    13,861.77x = 20,780.33 × 5,094.63
  4. Step 4: Simplify right side
    13,861.77x = 105,868,092.63
  5. Step 5: Solve for x
    x = 105,868,092.63/13,861.77
  6. Step 6: Final answer
    x = 7,637.42

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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.