Home / 13,457.73-20,187.63-4,098.55

Finding the Fourth Proportional to 13,457.73, 20,187.63 and 4,098.55

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Solution

The fourth proportional to 13,457.73, 20,187.63 and 4,098.55 is: 6,148.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457.73 : 20,187.63 = 4,098.55 : x
  2. Step 2: Convert to fraction form
    13,457.73/20,187.63 = 4,098.55/x
  3. Step 3: Cross multiply
    13,457.73x = 20,187.63 × 4,098.55
  4. Step 4: Simplify right side
    13,457.73x = 82,739,960.47
  5. Step 5: Solve for x
    x = 82,739,960.47/13,457.73
  6. Step 6: Final answer
    x = 6,148.14

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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.