Home / 21,940.08-32,903.84-7,150.29

Finding the Fourth Proportional to 21,940.08, 32,903.84 and 7,150.29

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Solution

The fourth proportional to 21,940.08, 32,903.84 and 7,150.29 is: 10,723.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,940.08 : 32,903.84 = 7,150.29 : x
  2. Step 2: Convert to fraction form
    21,940.08/32,903.84 = 7,150.29/x
  3. Step 3: Cross multiply
    21,940.08x = 32,903.84 × 7,150.29
  4. Step 4: Simplify right side
    21,940.08x = 235,271,962.36
  5. Step 5: Solve for x
    x = 235,271,962.36/21,940.08
  6. Step 6: Final answer
    x = 10,723.39

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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.