Home / 10,621.09-15,933.76-5,947.75

Finding the Fourth Proportional to 10,621.09, 15,933.76 and 5,947.75

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Solution

The fourth proportional to 10,621.09, 15,933.76 and 5,947.75 is: 8,922.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.09 : 15,933.76 = 5,947.75 : x
  2. Step 2: Convert to fraction form
    10,621.09/15,933.76 = 5,947.75/x
  3. Step 3: Cross multiply
    10,621.09x = 15,933.76 × 5,947.75
  4. Step 4: Simplify right side
    10,621.09x = 94,769,969.92
  5. Step 5: Solve for x
    x = 94,769,969.92/10,621.09
  6. Step 6: Final answer
    x = 8,922.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.