Home / 14,845.12-20,484.80-8,556.32

Finding the Fourth Proportional to 14,845.12, 20,484.80 and 8,556.32

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Solution

The fourth proportional to 14,845.12, 20,484.80 and 8,556.32 is: 11,806.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,845.12 : 20,484.80 = 8,556.32 : x
  2. Step 2: Convert to fraction form
    14,845.12/20,484.80 = 8,556.32/x
  3. Step 3: Cross multiply
    14,845.12x = 20,484.80 × 8,556.32
  4. Step 4: Simplify right side
    14,845.12x = 175,274,503.94
  5. Step 5: Solve for x
    x = 175,274,503.94/14,845.12
  6. Step 6: Final answer
    x = 11,806.88

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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.