Home / 14,318.41-19,759.39-8,030.79

Finding the Fourth Proportional to 14,318.41, 19,759.39 and 8,030.79

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Solution

The fourth proportional to 14,318.41, 19,759.39 and 8,030.79 is: 11,082.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.41 : 19,759.39 = 8,030.79 : x
  2. Step 2: Convert to fraction form
    14,318.41/19,759.39 = 8,030.79/x
  3. Step 3: Cross multiply
    14,318.41x = 19,759.39 × 8,030.79
  4. Step 4: Simplify right side
    14,318.41x = 158,683,511.62
  5. Step 5: Solve for x
    x = 158,683,511.62/14,318.41
  6. Step 6: Final answer
    x = 11,082.48

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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.