Home / 15,928.33-21,975.95-8,853.39

Finding the Fourth Proportional to 15,928.33, 21,975.95 and 8,853.39

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Solution

The fourth proportional to 15,928.33, 21,975.95 and 8,853.39 is: 12,214.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,928.33 : 21,975.95 = 8,853.39 : x
  2. Step 2: Convert to fraction form
    15,928.33/21,975.95 = 8,853.39/x
  3. Step 3: Cross multiply
    15,928.33x = 21,975.95 × 8,853.39
  4. Step 4: Simplify right side
    15,928.33x = 194,561,655.97
  5. Step 5: Solve for x
    x = 194,561,655.97/15,928.33
  6. Step 6: Final answer
    x = 12,214.82

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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.