Home / 12,376.44-18,567.06-3,611.40

Finding the Fourth Proportional to 12,376.44, 18,567.06 and 3,611.40

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Solution

The fourth proportional to 12,376.44, 18,567.06 and 3,611.40 is: 5,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.44 : 18,567.06 = 3,611.40 : x
  2. Step 2: Convert to fraction form
    12,376.44/18,567.06 = 3,611.40/x
  3. Step 3: Cross multiply
    12,376.44x = 18,567.06 × 3,611.40
  4. Step 4: Simplify right side
    12,376.44x = 67,053,080.48
  5. Step 5: Solve for x
    x = 67,053,080.48/12,376.44
  6. Step 6: Final answer
    x = 5,417.80

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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.