Home / 15,903.33-21,947.28-8,829.75

Finding the Fourth Proportional to 15,903.33, 21,947.28 and 8,829.75

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Solution

The fourth proportional to 15,903.33, 21,947.28 and 8,829.75 is: 12,185.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,903.33 : 21,947.28 = 8,829.75 : x
  2. Step 2: Convert to fraction form
    15,903.33/21,947.28 = 8,829.75/x
  3. Step 3: Cross multiply
    15,903.33x = 21,947.28 × 8,829.75
  4. Step 4: Simplify right side
    15,903.33x = 193,788,995.58
  5. Step 5: Solve for x
    x = 193,788,995.58/15,903.33
  6. Step 6: Final answer
    x = 12,185.44

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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.