Home / 14,651.02-21,979.36-4,787.64

Finding the Fourth Proportional to 14,651.02, 21,979.36 and 4,787.64

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Solution

The fourth proportional to 14,651.02, 21,979.36 and 4,787.64 is: 7,182.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651.02 : 21,979.36 = 4,787.64 : x
  2. Step 2: Convert to fraction form
    14,651.02/21,979.36 = 4,787.64/x
  3. Step 3: Cross multiply
    14,651.02x = 21,979.36 × 4,787.64
  4. Step 4: Simplify right side
    14,651.02x = 105,229,263.11
  5. Step 5: Solve for x
    x = 105,229,263.11/14,651.02
  6. Step 6: Final answer
    x = 7,182.38

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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.