Home / 14,156.57-21,232.01-13,454.03

Finding the Fourth Proportional to 14,156.57, 21,232.01 and 13,454.03

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Solution

The fourth proportional to 14,156.57, 21,232.01 and 13,454.03 is: 20,178.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.57 : 21,232.01 = 13,454.03 : x
  2. Step 2: Convert to fraction form
    14,156.57/21,232.01 = 13,454.03/x
  3. Step 3: Cross multiply
    14,156.57x = 21,232.01 × 13,454.03
  4. Step 4: Simplify right side
    14,156.57x = 285,655,926.07
  5. Step 5: Solve for x
    x = 285,655,926.07/14,156.57
  6. Step 6: Final answer
    x = 20,178.34

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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.