Home / 21,483.54-32,217.61-7,439.80

Finding the Fourth Proportional to 21,483.54, 32,217.61 and 7,439.80

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Solution

The fourth proportional to 21,483.54, 32,217.61 and 7,439.80 is: 11,157.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,483.54 : 32,217.61 = 7,439.80 : x
  2. Step 2: Convert to fraction form
    21,483.54/32,217.61 = 7,439.80/x
  3. Step 3: Cross multiply
    21,483.54x = 32,217.61 × 7,439.80
  4. Step 4: Simplify right side
    21,483.54x = 239,692,574.88
  5. Step 5: Solve for x
    x = 239,692,574.88/21,483.54
  6. Step 6: Final answer
    x = 11,157.03

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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.