Home / 14,268.02-21,396.71-4,905.39

Finding the Fourth Proportional to 14,268.02, 21,396.71 and 4,905.39

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Solution

The fourth proportional to 14,268.02, 21,396.71 and 4,905.39 is: 7,356.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.02 : 21,396.71 = 4,905.39 : x
  2. Step 2: Convert to fraction form
    14,268.02/21,396.71 = 4,905.39/x
  3. Step 3: Cross multiply
    14,268.02x = 21,396.71 × 4,905.39
  4. Step 4: Simplify right side
    14,268.02x = 104,959,075.76
  5. Step 5: Solve for x
    x = 104,959,075.76/14,268.02
  6. Step 6: Final answer
    x = 7,356.25

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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.