Home / 21,738.72-32,607.72-6,947.54

Finding the Fourth Proportional to 21,738.72, 32,607.72 and 6,947.54

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Solution

The fourth proportional to 21,738.72, 32,607.72 and 6,947.54 is: 10,421.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,738.72 : 32,607.72 = 6,947.54 : x
  2. Step 2: Convert to fraction form
    21,738.72/32,607.72 = 6,947.54/x
  3. Step 3: Cross multiply
    21,738.72x = 32,607.72 × 6,947.54
  4. Step 4: Simplify right side
    21,738.72x = 226,543,439.01
  5. Step 5: Solve for x
    x = 226,543,439.01/21,738.72
  6. Step 6: Final answer
    x = 10,421.19

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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.