Home / 15,944.87-22,003.81-8,775.23

Finding the Fourth Proportional to 15,944.87, 22,003.81 and 8,775.23

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Solution

The fourth proportional to 15,944.87, 22,003.81 and 8,775.23 is: 12,109.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,944.87 : 22,003.81 = 8,775.23 : x
  2. Step 2: Convert to fraction form
    15,944.87/22,003.81 = 8,775.23/x
  3. Step 3: Cross multiply
    15,944.87x = 22,003.81 × 8,775.23
  4. Step 4: Simplify right side
    15,944.87x = 193,088,493.63
  5. Step 5: Solve for x
    x = 193,088,493.63/15,944.87
  6. Step 6: Final answer
    x = 12,109.76

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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.