Home / 21,483.08-32,222.23-6,690.76

Finding the Fourth Proportional to 21,483.08, 32,222.23 and 6,690.76

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Solution

The fourth proportional to 21,483.08, 32,222.23 and 6,690.76 is: 10,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,483.08 : 32,222.23 = 6,690.76 : x
  2. Step 2: Convert to fraction form
    21,483.08/32,222.23 = 6,690.76/x
  3. Step 3: Cross multiply
    21,483.08x = 32,222.23 × 6,690.76
  4. Step 4: Simplify right side
    21,483.08x = 215,591,207.59
  5. Step 5: Solve for x
    x = 215,591,207.59/21,483.08
  6. Step 6: Final answer
    x = 10,035.40

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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.