Home / 9,979.23-14,968.92-4,431.07

Finding the Fourth Proportional to 9,979.23, 14,968.92 and 4,431.07

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Solution

The fourth proportional to 9,979.23, 14,968.92 and 4,431.07 is: 6,646.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.23 : 14,968.92 = 4,431.07 : x
  2. Step 2: Convert to fraction form
    9,979.23/14,968.92 = 4,431.07/x
  3. Step 3: Cross multiply
    9,979.23x = 14,968.92 × 4,431.07
  4. Step 4: Simplify right side
    9,979.23x = 66,328,342.75
  5. Step 5: Solve for x
    x = 66,328,342.75/9,979.23
  6. Step 6: Final answer
    x = 6,646.64

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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.