Home / 14,153.78-21,232.02-4,291.36

Finding the Fourth Proportional to 14,153.78, 21,232.02 and 4,291.36

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Solution

The fourth proportional to 14,153.78, 21,232.02 and 4,291.36 is: 6,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.78 : 21,232.02 = 4,291.36 : x
  2. Step 2: Convert to fraction form
    14,153.78/21,232.02 = 4,291.36/x
  3. Step 3: Cross multiply
    14,153.78x = 21,232.02 × 4,291.36
  4. Step 4: Simplify right side
    14,153.78x = 91,114,241.35
  5. Step 5: Solve for x
    x = 91,114,241.35/14,153.78
  6. Step 6: Final answer
    x = 6,437.45

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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.