Home / 23,979.69-33,091.45-13,909.07

Finding the Fourth Proportional to 23,979.69, 33,091.45 and 13,909.07

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Solution

The fourth proportional to 23,979.69, 33,091.45 and 13,909.07 is: 19,194.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,979.69 : 33,091.45 = 13,909.07 : x
  2. Step 2: Convert to fraction form
    23,979.69/33,091.45 = 13,909.07/x
  3. Step 3: Cross multiply
    23,979.69x = 33,091.45 × 13,909.07
  4. Step 4: Simplify right side
    23,979.69x = 460,271,342.41
  5. Step 5: Solve for x
    x = 460,271,342.41/23,979.69
  6. Step 6: Final answer
    x = 19,194.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.