Home / 9,369.80-14,040.30-8,131.40

Finding the Fourth Proportional to 9,369.80, 14,040.30 and 8,131.40

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Solution

The fourth proportional to 9,369.80, 14,040.30 and 8,131.40 is: 12,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,369.80 : 14,040.30 = 8,131.40 : x
  2. Step 2: Convert to fraction form
    9,369.80/14,040.30 = 8,131.40/x
  3. Step 3: Cross multiply
    9,369.80x = 14,040.30 × 8,131.40
  4. Step 4: Simplify right side
    9,369.80x = 114,167,295.42
  5. Step 5: Solve for x
    x = 114,167,295.42/9,369.80
  6. Step 6: Final answer
    x = 12,184.60

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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.