Home / 21,749.92-32,621.20-6,164.80

Finding the Fourth Proportional to 21,749.92, 32,621.20 and 6,164.80

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Solution

The fourth proportional to 21,749.92, 32,621.20 and 6,164.80 is: 9,246.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,749.92 : 32,621.20 = 6,164.80 : x
  2. Step 2: Convert to fraction form
    21,749.92/32,621.20 = 6,164.80/x
  3. Step 3: Cross multiply
    21,749.92x = 32,621.20 × 6,164.80
  4. Step 4: Simplify right side
    21,749.92x = 201,103,173.76
  5. Step 5: Solve for x
    x = 201,103,173.76/21,749.92
  6. Step 6: Final answer
    x = 9,246.16

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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.