Home / 13,998.92-19,317.87-8,030.21

Finding the Fourth Proportional to 13,998.92, 19,317.87 and 8,030.21

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Solution

The fourth proportional to 13,998.92, 19,317.87 and 8,030.21 is: 11,081.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.92 : 19,317.87 = 8,030.21 : x
  2. Step 2: Convert to fraction form
    13,998.92/19,317.87 = 8,030.21/x
  3. Step 3: Cross multiply
    13,998.92x = 19,317.87 × 8,030.21
  4. Step 4: Simplify right side
    13,998.92x = 155,126,456.26
  5. Step 5: Solve for x
    x = 155,126,456.26/13,998.92
  6. Step 6: Final answer
    x = 11,081.32

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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.