Home / 10,185.73-15,348.01-8,377.36

Finding the Fourth Proportional to 10,185.73, 15,348.01 and 8,377.36

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Solution

The fourth proportional to 10,185.73, 15,348.01 and 8,377.36 is: 12,623.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,185.73 : 15,348.01 = 8,377.36 : x
  2. Step 2: Convert to fraction form
    10,185.73/15,348.01 = 8,377.36/x
  3. Step 3: Cross multiply
    10,185.73x = 15,348.01 × 8,377.36
  4. Step 4: Simplify right side
    10,185.73x = 128,575,805.05
  5. Step 5: Solve for x
    x = 128,575,805.05/10,185.73
  6. Step 6: Final answer
    x = 12,623.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.