Home / 13,916.99-20,878.94-4,056.35

Finding the Fourth Proportional to 13,916.99, 20,878.94 and 4,056.35

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Solution

The fourth proportional to 13,916.99, 20,878.94 and 4,056.35 is: 6,085.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.99 : 20,878.94 = 4,056.35 : x
  2. Step 2: Convert to fraction form
    13,916.99/20,878.94 = 4,056.35/x
  3. Step 3: Cross multiply
    13,916.99x = 20,878.94 × 4,056.35
  4. Step 4: Simplify right side
    13,916.99x = 84,692,350.61
  5. Step 5: Solve for x
    x = 84,692,350.61/13,916.99
  6. Step 6: Final answer
    x = 6,085.54

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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.