Home / 13,916.14-20,877.63-4,055.51

Finding the Fourth Proportional to 13,916.14, 20,877.63 and 4,055.51

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Solution

The fourth proportional to 13,916.14, 20,877.63 and 4,055.51 is: 6,084.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.14 : 20,877.63 = 4,055.51 : x
  2. Step 2: Convert to fraction form
    13,916.14/20,877.63 = 4,055.51/x
  3. Step 3: Cross multiply
    13,916.14x = 20,877.63 × 4,055.51
  4. Step 4: Simplify right side
    13,916.14x = 84,669,437.24
  5. Step 5: Solve for x
    x = 84,669,437.24/13,916.14
  6. Step 6: Final answer
    x = 6,084.26

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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.