Home / 12,357.60-18,536.33-2,997.62

Finding the Fourth Proportional to 12,357.60, 18,536.33 and 2,997.62

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Solution

The fourth proportional to 12,357.60, 18,536.33 and 2,997.62 is: 4,496.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357.60 : 18,536.33 = 2,997.62 : x
  2. Step 2: Convert to fraction form
    12,357.60/18,536.33 = 2,997.62/x
  3. Step 3: Cross multiply
    12,357.60x = 18,536.33 × 2,997.62
  4. Step 4: Simplify right side
    12,357.60x = 55,564,873.53
  5. Step 5: Solve for x
    x = 55,564,873.53/12,357.60
  6. Step 6: Final answer
    x = 4,496.41

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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.