Home / 14,676.89-20,252.50-8,388.05

Finding the Fourth Proportional to 14,676.89, 20,252.50 and 8,388.05

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Solution

The fourth proportional to 14,676.89, 20,252.50 and 8,388.05 is: 11,574.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,676.89 : 20,252.50 = 8,388.05 : x
  2. Step 2: Convert to fraction form
    14,676.89/20,252.50 = 8,388.05/x
  3. Step 3: Cross multiply
    14,676.89x = 20,252.50 × 8,388.05
  4. Step 4: Simplify right side
    14,676.89x = 169,878,860.39
  5. Step 5: Solve for x
    x = 169,878,860.39/14,676.89
  6. Step 6: Final answer
    x = 11,574.59

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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.