Home / 12,204.64-18,315.04-4,808.16

Finding the Fourth Proportional to 12,204.64, 18,315.04 and 4,808.16

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Solution

The fourth proportional to 12,204.64, 18,315.04 and 4,808.16 is: 7,215.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204.64 : 18,315.04 = 4,808.16 : x
  2. Step 2: Convert to fraction form
    12,204.64/18,315.04 = 4,808.16/x
  3. Step 3: Cross multiply
    12,204.64x = 18,315.04 × 4,808.16
  4. Step 4: Simplify right side
    12,204.64x = 88,061,642.73
  5. Step 5: Solve for x
    x = 88,061,642.73/12,204.64
  6. Step 6: Final answer
    x = 7,215.42

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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.