Home / 12,259.23-18,384.69-4,361.40

Finding the Fourth Proportional to 12,259.23, 18,384.69 and 4,361.40

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Solution

The fourth proportional to 12,259.23, 18,384.69 and 4,361.40 is: 6,540.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.23 : 18,384.69 = 4,361.40 : x
  2. Step 2: Convert to fraction form
    12,259.23/18,384.69 = 4,361.40/x
  3. Step 3: Cross multiply
    12,259.23x = 18,384.69 × 4,361.40
  4. Step 4: Simplify right side
    12,259.23x = 80,182,986.97
  5. Step 5: Solve for x
    x = 80,182,986.97/12,259.23
  6. Step 6: Final answer
    x = 6,540.62

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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.