Home / 12,468.20-18,686.10-5,066.60

Finding the Fourth Proportional to 12,468.20, 18,686.10 and 5,066.60

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Solution

The fourth proportional to 12,468.20, 18,686.10 and 5,066.60 is: 7,593.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.20 : 18,686.10 = 5,066.60 : x
  2. Step 2: Convert to fraction form
    12,468.20/18,686.10 = 5,066.60/x
  3. Step 3: Cross multiply
    12,468.20x = 18,686.10 × 5,066.60
  4. Step 4: Simplify right side
    12,468.20x = 94,674,994.26
  5. Step 5: Solve for x
    x = 94,674,994.26/12,468.20
  6. Step 6: Final answer
    x = 7,593.32

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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.