Home / 12,554.40-18,829.68-4,233.04

Finding the Fourth Proportional to 12,554.40, 18,829.68 and 4,233.04

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Solution

The fourth proportional to 12,554.40, 18,829.68 and 4,233.04 is: 6,348.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.40 : 18,829.68 = 4,233.04 : x
  2. Step 2: Convert to fraction form
    12,554.40/18,829.68 = 4,233.04/x
  3. Step 3: Cross multiply
    12,554.40x = 18,829.68 × 4,233.04
  4. Step 4: Simplify right side
    12,554.40x = 79,706,788.63
  5. Step 5: Solve for x
    x = 79,706,788.63/12,554.40
  6. Step 6: Final answer
    x = 6,348.91

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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.