Home / 13,998.82-19,319.18-8,030.44

Finding the Fourth Proportional to 13,998.82, 19,319.18 and 8,030.44

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Solution

The fourth proportional to 13,998.82, 19,319.18 and 8,030.44 is: 11,082.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.82 : 19,319.18 = 8,030.44 : x
  2. Step 2: Convert to fraction form
    13,998.82/19,319.18 = 8,030.44/x
  3. Step 3: Cross multiply
    13,998.82x = 19,319.18 × 8,030.44
  4. Step 4: Simplify right side
    13,998.82x = 155,141,515.84
  5. Step 5: Solve for x
    x = 155,141,515.84/13,998.82
  6. Step 6: Final answer
    x = 11,082.47

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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.