Home / 13,457.73-20,189.64-4,098.59

Finding the Fourth Proportional to 13,457.73, 20,189.64 and 4,098.59

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Solution

The fourth proportional to 13,457.73, 20,189.64 and 4,098.59 is: 6,148.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457.73 : 20,189.64 = 4,098.59 : x
  2. Step 2: Convert to fraction form
    13,457.73/20,189.64 = 4,098.59/x
  3. Step 3: Cross multiply
    13,457.73x = 20,189.64 × 4,098.59
  4. Step 4: Simplify right side
    13,457.73x = 82,749,056.61
  5. Step 5: Solve for x
    x = 82,749,056.61/13,457.73
  6. Step 6: Final answer
    x = 6,148.81

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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.