Home / 21,638.08-32,461.98-6,847.88

Finding the Fourth Proportional to 21,638.08, 32,461.98 and 6,847.88

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Solution

The fourth proportional to 21,638.08, 32,461.98 and 6,847.88 is: 10,273.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,638.08 : 32,461.98 = 6,847.88 : x
  2. Step 2: Convert to fraction form
    21,638.08/32,461.98 = 6,847.88/x
  3. Step 3: Cross multiply
    21,638.08x = 32,461.98 × 6,847.88
  4. Step 4: Simplify right side
    21,638.08x = 222,295,824.76
  5. Step 5: Solve for x
    x = 222,295,824.76/21,638.08
  6. Step 6: Final answer
    x = 10,273.36

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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.