Home / 15,185.58-22,778.18-12,583.06

Finding the Fourth Proportional to 15,185.58, 22,778.18 and 12,583.06

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Solution

The fourth proportional to 15,185.58, 22,778.18 and 12,583.06 is: 18,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185.58 : 22,778.18 = 12,583.06 : x
  2. Step 2: Convert to fraction form
    15,185.58/22,778.18 = 12,583.06/x
  3. Step 3: Cross multiply
    15,185.58x = 22,778.18 × 12,583.06
  4. Step 4: Simplify right side
    15,185.58x = 286,619,205.63
  5. Step 5: Solve for x
    x = 286,619,205.63/15,185.58
  6. Step 6: Final answer
    x = 18,874.43

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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.