Home / 18,967.30-28,454.58-5,817.36

Finding the Fourth Proportional to 18,967.30, 28,454.58 and 5,817.36

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Solution

The fourth proportional to 18,967.30, 28,454.58 and 5,817.36 is: 8,727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,967.30 : 28,454.58 = 5,817.36 : x
  2. Step 2: Convert to fraction form
    18,967.30/28,454.58 = 5,817.36/x
  3. Step 3: Cross multiply
    18,967.30x = 28,454.58 × 5,817.36
  4. Step 4: Simplify right side
    18,967.30x = 165,530,535.51
  5. Step 5: Solve for x
    x = 165,530,535.51/18,967.30
  6. Step 6: Final answer
    x = 8,727.15

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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.