Home / 12,188.08-18,281.96-2,954.16

Finding the Fourth Proportional to 12,188.08, 18,281.96 and 2,954.16

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Solution

The fourth proportional to 12,188.08, 18,281.96 and 2,954.16 is: 4,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,188.08 : 18,281.96 = 2,954.16 : x
  2. Step 2: Convert to fraction form
    12,188.08/18,281.96 = 2,954.16/x
  3. Step 3: Cross multiply
    12,188.08x = 18,281.96 × 2,954.16
  4. Step 4: Simplify right side
    12,188.08x = 54,007,834.95
  5. Step 5: Solve for x
    x = 54,007,834.95/12,188.08
  6. Step 6: Final answer
    x = 4,431.20

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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.