Home / 13,228.56-19,840.68-4,906.62

Finding the Fourth Proportional to 13,228.56, 19,840.68 and 4,906.62

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Solution

The fourth proportional to 13,228.56, 19,840.68 and 4,906.62 is: 7,359.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228.56 : 19,840.68 = 4,906.62 : x
  2. Step 2: Convert to fraction form
    13,228.56/19,840.68 = 4,906.62/x
  3. Step 3: Cross multiply
    13,228.56x = 19,840.68 × 4,906.62
  4. Step 4: Simplify right side
    13,228.56x = 97,350,677.30
  5. Step 5: Solve for x
    x = 97,350,677.30/13,228.56
  6. Step 6: Final answer
    x = 7,359.13

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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.