Home / 15,539.94-23,290.45-12,240

Finding the Fourth Proportional to 15,539.94, 23,290.45 and 12,240

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Solution

The fourth proportional to 15,539.94, 23,290.45 and 12,240 is: 18,344.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.94 : 23,290.45 = 12,240 : x
  2. Step 2: Convert to fraction form
    15,539.94/23,290.45 = 12,240/x
  3. Step 3: Cross multiply
    15,539.94x = 23,290.45 × 12,240
  4. Step 4: Simplify right side
    15,539.94x = 285,075,108
  5. Step 5: Solve for x
    x = 285,075,108/15,539.94
  6. Step 6: Final answer
    x = 18,344.67

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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.