Home / 13,659.35-20,493.90-4,775.99

Finding the Fourth Proportional to 13,659.35, 20,493.90 and 4,775.99

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Solution

The fourth proportional to 13,659.35, 20,493.90 and 4,775.99 is: 7,165.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659.35 : 20,493.90 = 4,775.99 : x
  2. Step 2: Convert to fraction form
    13,659.35/20,493.90 = 4,775.99/x
  3. Step 3: Cross multiply
    13,659.35x = 20,493.90 × 4,775.99
  4. Step 4: Simplify right side
    13,659.35x = 97,878,558.99
  5. Step 5: Solve for x
    x = 97,878,558.99/13,659.35
  6. Step 6: Final answer
    x = 7,165.68

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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.