Home / 12,455.42-18,683.48-4,662.74

Finding the Fourth Proportional to 12,455.42, 18,683.48 and 4,662.74

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Solution

The fourth proportional to 12,455.42, 18,683.48 and 4,662.74 is: 6,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455.42 : 18,683.48 = 4,662.74 : x
  2. Step 2: Convert to fraction form
    12,455.42/18,683.48 = 4,662.74/x
  3. Step 3: Cross multiply
    12,455.42x = 18,683.48 × 4,662.74
  4. Step 4: Simplify right side
    12,455.42x = 87,116,127.77
  5. Step 5: Solve for x
    x = 87,116,127.77/12,455.42
  6. Step 6: Final answer
    x = 6,994.24

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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.