Home / 13,916.27-20,875.24-4,557.28

Finding the Fourth Proportional to 13,916.27, 20,875.24 and 4,557.28

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Solution

The fourth proportional to 13,916.27, 20,875.24 and 4,557.28 is: 6,836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.27 : 20,875.24 = 4,557.28 : x
  2. Step 2: Convert to fraction form
    13,916.27/20,875.24 = 4,557.28/x
  3. Step 3: Cross multiply
    13,916.27x = 20,875.24 × 4,557.28
  4. Step 4: Simplify right side
    13,916.27x = 95,134,313.75
  5. Step 5: Solve for x
    x = 95,134,313.75/13,916.27
  6. Step 6: Final answer
    x = 6,836.19

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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.