Home / 14,729.45-20,323.31-8,760.15

Finding the Fourth Proportional to 14,729.45, 20,323.31 and 8,760.15

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Solution

The fourth proportional to 14,729.45, 20,323.31 and 8,760.15 is: 12,087.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,729.45 : 20,323.31 = 8,760.15 : x
  2. Step 2: Convert to fraction form
    14,729.45/20,323.31 = 8,760.15/x
  3. Step 3: Cross multiply
    14,729.45x = 20,323.31 × 8,760.15
  4. Step 4: Simplify right side
    14,729.45x = 178,035,200.30
  5. Step 5: Solve for x
    x = 178,035,200.30/14,729.45
  6. Step 6: Final answer
    x = 12,087.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.