Home / 19,979.68-29,940.96-14,673.08

Finding the Fourth Proportional to 19,979.68, 29,940.96 and 14,673.08

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Solution

The fourth proportional to 19,979.68, 29,940.96 and 14,673.08 is: 21,988.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979.68 : 29,940.96 = 14,673.08 : x
  2. Step 2: Convert to fraction form
    19,979.68/29,940.96 = 14,673.08/x
  3. Step 3: Cross multiply
    19,979.68x = 29,940.96 × 14,673.08
  4. Step 4: Simplify right side
    19,979.68x = 439,326,101.36
  5. Step 5: Solve for x
    x = 439,326,101.36/19,979.68
  6. Step 6: Final answer
    x = 21,988.65

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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.