Home / 14,268.69-21,405.71-4,405.65

Finding the Fourth Proportional to 14,268.69, 21,405.71 and 4,405.65

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Solution

The fourth proportional to 14,268.69, 21,405.71 and 4,405.65 is: 6,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.69 : 21,405.71 = 4,405.65 : x
  2. Step 2: Convert to fraction form
    14,268.69/21,405.71 = 4,405.65/x
  3. Step 3: Cross multiply
    14,268.69x = 21,405.71 × 4,405.65
  4. Step 4: Simplify right side
    14,268.69x = 94,306,044.23
  5. Step 5: Solve for x
    x = 94,306,044.23/14,268.69
  6. Step 6: Final answer
    x = 6,609.30

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1.5x scale

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.