Home / 13,916.34-20,877.54-4,056.48

Finding the Fourth Proportional to 13,916.34, 20,877.54 and 4,056.48

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Solution

The fourth proportional to 13,916.34, 20,877.54 and 4,056.48 is: 6,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.34 : 20,877.54 = 4,056.48 : x
  2. Step 2: Convert to fraction form
    13,916.34/20,877.54 = 4,056.48/x
  3. Step 3: Cross multiply
    13,916.34x = 20,877.54 × 4,056.48
  4. Step 4: Simplify right side
    13,916.34x = 84,689,323.46
  5. Step 5: Solve for x
    x = 84,689,323.46/13,916.34
  6. Step 6: Final answer
    x = 6,085.60

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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.