Home / 14,041.89-19,382.00-8,380.60

Finding the Fourth Proportional to 14,041.89, 19,382.00 and 8,380.60

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Solution

The fourth proportional to 14,041.89, 19,382.00 and 8,380.60 is: 11,567.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041.89 : 19,382.00 = 8,380.60 : x
  2. Step 2: Convert to fraction form
    14,041.89/19,382.00 = 8,380.60/x
  3. Step 3: Cross multiply
    14,041.89x = 19,382.00 × 8,380.60
  4. Step 4: Simplify right side
    14,041.89x = 162,432,698.84
  5. Step 5: Solve for x
    x = 162,432,698.84/14,041.89
  6. Step 6: Final answer
    x = 11,567.72

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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.