Home / 14,655.69-21,979.31-4,124.99

Finding the Fourth Proportional to 14,655.69, 21,979.31 and 4,124.99

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Solution

The fourth proportional to 14,655.69, 21,979.31 and 4,124.99 is: 6,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.69 : 21,979.31 = 4,124.99 : x
  2. Step 2: Convert to fraction form
    14,655.69/21,979.31 = 4,124.99/x
  3. Step 3: Cross multiply
    14,655.69x = 21,979.31 × 4,124.99
  4. Step 4: Simplify right side
    14,655.69x = 90,664,468.28
  5. Step 5: Solve for x
    x = 90,664,468.28/14,655.69
  6. Step 6: Final answer
    x = 6,186.30

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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.