Home / 14,743.38-20,345.60-8,028.89

Finding the Fourth Proportional to 14,743.38, 20,345.60 and 8,028.89

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Solution

The fourth proportional to 14,743.38, 20,345.60 and 8,028.89 is: 11,079.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.38 : 20,345.60 = 8,028.89 : x
  2. Step 2: Convert to fraction form
    14,743.38/20,345.60 = 8,028.89/x
  3. Step 3: Cross multiply
    14,743.38x = 20,345.60 × 8,028.89
  4. Step 4: Simplify right side
    14,743.38x = 163,352,442.51
  5. Step 5: Solve for x
    x = 163,352,442.51/14,743.38
  6. Step 6: Final answer
    x = 11,079.71

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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.