Home / 19,269.71-28,890.54-13,014.21

Finding the Fourth Proportional to 19,269.71, 28,890.54 and 13,014.21

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Solution

The fourth proportional to 19,269.71, 28,890.54 and 13,014.21 is: 19,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.71 : 28,890.54 = 13,014.21 : x
  2. Step 2: Convert to fraction form
    19,269.71/28,890.54 = 13,014.21/x
  3. Step 3: Cross multiply
    19,269.71x = 28,890.54 × 13,014.21
  4. Step 4: Simplify right side
    19,269.71x = 375,987,554.57
  5. Step 5: Solve for x
    x = 375,987,554.57/19,269.71
  6. Step 6: Final answer
    x = 19,511.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.