Home / 18,965.04-28,448.08-5,114

Finding the Fourth Proportional to 18,965.04, 28,448.08 and 5,114

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Solution

The fourth proportional to 18,965.04, 28,448.08 and 5,114 is: 7,671.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,965.04 : 28,448.08 = 5,114 : x
  2. Step 2: Convert to fraction form
    18,965.04/28,448.08 = 5,114/x
  3. Step 3: Cross multiply
    18,965.04x = 28,448.08 × 5,114
  4. Step 4: Simplify right side
    18,965.04x = 145,483,481.12
  5. Step 5: Solve for x
    x = 145,483,481.12/18,965.04
  6. Step 6: Final answer
    x = 7,671.14

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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.