Home / 15,953.31-22,015.62-8,783.37

Finding the Fourth Proportional to 15,953.31, 22,015.62 and 8,783.37

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Solution

The fourth proportional to 15,953.31, 22,015.62 and 8,783.37 is: 12,121.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,953.31 : 22,015.62 = 8,783.37 : x
  2. Step 2: Convert to fraction form
    15,953.31/22,015.62 = 8,783.37/x
  3. Step 3: Cross multiply
    15,953.31x = 22,015.62 × 8,783.37
  4. Step 4: Simplify right side
    15,953.31x = 193,371,336.24
  5. Step 5: Solve for x
    x = 193,371,336.24/15,953.31
  6. Step 6: Final answer
    x = 12,121.08

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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.