Home / 21,595.68-32,384.40-6,800.64

Finding the Fourth Proportional to 21,595.68, 32,384.40 and 6,800.64

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Solution

The fourth proportional to 21,595.68, 32,384.40 and 6,800.64 is: 10,198.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595.68 : 32,384.40 = 6,800.64 : x
  2. Step 2: Convert to fraction form
    21,595.68/32,384.40 = 6,800.64/x
  3. Step 3: Cross multiply
    21,595.68x = 32,384.40 × 6,800.64
  4. Step 4: Simplify right side
    21,595.68x = 220,234,646.02
  5. Step 5: Solve for x
    x = 220,234,646.02/21,595.68
  6. Step 6: Final answer
    x = 10,198.09

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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.