Home / 13,916.41-20,875.49-4,557.40

Finding the Fourth Proportional to 13,916.41, 20,875.49 and 4,557.40

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Solution

The fourth proportional to 13,916.41, 20,875.49 and 4,557.40 is: 6,836.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.41 : 20,875.49 = 4,557.40 : x
  2. Step 2: Convert to fraction form
    13,916.41/20,875.49 = 4,557.40/x
  3. Step 3: Cross multiply
    13,916.41x = 20,875.49 × 4,557.40
  4. Step 4: Simplify right side
    13,916.41x = 95,137,830.96
  5. Step 5: Solve for x
    x = 95,137,830.96/13,916.41
  6. Step 6: Final answer
    x = 6,836.38

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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.