Home / 13,979.16-19,291.23-8,010.54

Finding the Fourth Proportional to 13,979.16, 19,291.23 and 8,010.54

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Solution

The fourth proportional to 13,979.16, 19,291.23 and 8,010.54 is: 11,054.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979.16 : 19,291.23 = 8,010.54 : x
  2. Step 2: Convert to fraction form
    13,979.16/19,291.23 = 8,010.54/x
  3. Step 3: Cross multiply
    13,979.16x = 19,291.23 × 8,010.54
  4. Step 4: Simplify right side
    13,979.16x = 154,533,169.56
  5. Step 5: Solve for x
    x = 154,533,169.56/13,979.16
  6. Step 6: Final answer
    x = 11,054.54

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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.