Home / 12,582.96-18,873.81-3,818.58

Finding the Fourth Proportional to 12,582.96, 18,873.81 and 3,818.58

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Solution

The fourth proportional to 12,582.96, 18,873.81 and 3,818.58 is: 5,727.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.96 : 18,873.81 = 3,818.58 : x
  2. Step 2: Convert to fraction form
    12,582.96/18,873.81 = 3,818.58/x
  3. Step 3: Cross multiply
    12,582.96x = 18,873.81 × 3,818.58
  4. Step 4: Simplify right side
    12,582.96x = 72,071,153.39
  5. Step 5: Solve for x
    x = 72,071,153.39/12,582.96
  6. Step 6: Final answer
    x = 5,727.68

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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.