Home / 21,921.62-32,885.60-6,923.66

Finding the Fourth Proportional to 21,921.62, 32,885.60 and 6,923.66

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Solution

The fourth proportional to 21,921.62, 32,885.60 and 6,923.66 is: 10,386.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,921.62 : 32,885.60 = 6,923.66 : x
  2. Step 2: Convert to fraction form
    21,921.62/32,885.60 = 6,923.66/x
  3. Step 3: Cross multiply
    21,921.62x = 32,885.60 × 6,923.66
  4. Step 4: Simplify right side
    21,921.62x = 227,688,514.25
  5. Step 5: Solve for x
    x = 227,688,514.25/21,921.62
  6. Step 6: Final answer
    x = 10,386.48

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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.