Home / 21,460.67-32,195.64-8,810.45

Finding the Fourth Proportional to 21,460.67, 32,195.64 and 8,810.45

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Solution

The fourth proportional to 21,460.67, 32,195.64 and 8,810.45 is: 13,217.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460.67 : 32,195.64 = 8,810.45 : x
  2. Step 2: Convert to fraction form
    21,460.67/32,195.64 = 8,810.45/x
  3. Step 3: Cross multiply
    21,460.67x = 32,195.64 × 8,810.45
  4. Step 4: Simplify right side
    21,460.67x = 283,658,076.44
  5. Step 5: Solve for x
    x = 283,658,076.44/21,460.67
  6. Step 6: Final answer
    x = 13,217.58

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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.