Home / 18,899.40-28,350.48-6,414.36

Finding the Fourth Proportional to 18,899.40, 28,350.48 and 6,414.36

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Solution

The fourth proportional to 18,899.40, 28,350.48 and 6,414.36 is: 9,622.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,899.40 : 28,350.48 = 6,414.36 : x
  2. Step 2: Convert to fraction form
    18,899.40/28,350.48 = 6,414.36/x
  3. Step 3: Cross multiply
    18,899.40x = 28,350.48 × 6,414.36
  4. Step 4: Simplify right side
    18,899.40x = 181,850,184.89
  5. Step 5: Solve for x
    x = 181,850,184.89/18,899.40
  6. Step 6: Final answer
    x = 9,622.01

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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.