Home / 18,948.93-28,368.31-11,027.30

Finding the Fourth Proportional to 18,948.93, 28,368.31 and 11,027.30

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Solution

The fourth proportional to 18,948.93, 28,368.31 and 11,027.30 is: 16,508.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.93 : 28,368.31 = 11,027.30 : x
  2. Step 2: Convert to fraction form
    18,948.93/28,368.31 = 11,027.30/x
  3. Step 3: Cross multiply
    18,948.93x = 28,368.31 × 11,027.30
  4. Step 4: Simplify right side
    18,948.93x = 312,825,723.02
  5. Step 5: Solve for x
    x = 312,825,723.02/18,948.93
  6. Step 6: Final answer
    x = 16,508.89

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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.