Home / 20,374.07-30,511.49-14,116.41

Finding the Fourth Proportional to 20,374.07, 30,511.49 and 14,116.41

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Solution

The fourth proportional to 20,374.07, 30,511.49 and 14,116.41 is: 21,140.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,374.07 : 30,511.49 = 14,116.41 : x
  2. Step 2: Convert to fraction form
    20,374.07/30,511.49 = 14,116.41/x
  3. Step 3: Cross multiply
    20,374.07x = 30,511.49 × 14,116.41
  4. Step 4: Simplify right side
    20,374.07x = 430,712,631.97
  5. Step 5: Solve for x
    x = 430,712,631.97/20,374.07
  6. Step 6: Final answer
    x = 21,140.24

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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.