Home / 13,998.87-19,317.83-8,030.12

Finding the Fourth Proportional to 13,998.87, 19,317.83 and 8,030.12

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Solution

The fourth proportional to 13,998.87, 19,317.83 and 8,030.12 is: 11,081.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.87 : 19,317.83 = 8,030.12 : x
  2. Step 2: Convert to fraction form
    13,998.87/19,317.83 = 8,030.12/x
  3. Step 3: Cross multiply
    13,998.87x = 19,317.83 × 8,030.12
  4. Step 4: Simplify right side
    13,998.87x = 155,124,356.30
  5. Step 5: Solve for x
    x = 155,124,356.30/13,998.87
  6. Step 6: Final answer
    x = 11,081.21

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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.