Home / 14,272.27-21,403.08-4,909.64

Finding the Fourth Proportional to 14,272.27, 21,403.08 and 4,909.64

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Solution

The fourth proportional to 14,272.27, 21,403.08 and 4,909.64 is: 7,362.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.27 : 21,403.08 = 4,909.64 : x
  2. Step 2: Convert to fraction form
    14,272.27/21,403.08 = 4,909.64/x
  3. Step 3: Cross multiply
    14,272.27x = 21,403.08 × 4,909.64
  4. Step 4: Simplify right side
    14,272.27x = 105,081,417.69
  5. Step 5: Solve for x
    x = 105,081,417.69/14,272.27
  6. Step 6: Final answer
    x = 7,362.63

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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.