Home / 8,673.23-11,964.30-5,135.75

Finding the Fourth Proportional to 8,673.23, 11,964.30 and 5,135.75

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Solution

The fourth proportional to 8,673.23, 11,964.30 and 5,135.75 is: 7,084.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.23 : 11,964.30 = 5,135.75 : x
  2. Step 2: Convert to fraction form
    8,673.23/11,964.30 = 5,135.75/x
  3. Step 3: Cross multiply
    8,673.23x = 11,964.30 × 5,135.75
  4. Step 4: Simplify right side
    8,673.23x = 61,445,653.73
  5. Step 5: Solve for x
    x = 61,445,653.73/8,673.23
  6. Step 6: Final answer
    x = 7,084.52

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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.