Home / 13,998.94-19,318.53-8,030.35

Finding the Fourth Proportional to 13,998.94, 19,318.53 and 8,030.35

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Solution

The fourth proportional to 13,998.94, 19,318.53 and 8,030.35 is: 11,081.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.94 : 19,318.53 = 8,030.35 : x
  2. Step 2: Convert to fraction form
    13,998.94/19,318.53 = 8,030.35/x
  3. Step 3: Cross multiply
    13,998.94x = 19,318.53 × 8,030.35
  4. Step 4: Simplify right side
    13,998.94x = 155,134,611.65
  5. Step 5: Solve for x
    x = 155,134,611.65/13,998.94
  6. Step 6: Final answer
    x = 11,081.88

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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.