Home / 15,362.37-21,199.82-8,647.97

Finding the Fourth Proportional to 15,362.37, 21,199.82 and 8,647.97

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Solution

The fourth proportional to 15,362.37, 21,199.82 and 8,647.97 is: 11,934.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,362.37 : 21,199.82 = 8,647.97 : x
  2. Step 2: Convert to fraction form
    15,362.37/21,199.82 = 8,647.97/x
  3. Step 3: Cross multiply
    15,362.37x = 21,199.82 × 8,647.97
  4. Step 4: Simplify right side
    15,362.37x = 183,335,258.13
  5. Step 5: Solve for x
    x = 183,335,258.13/15,362.37
  6. Step 6: Final answer
    x = 11,934.05

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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.