Home / 21,460.10-32,195.12-6,668.21

Finding the Fourth Proportional to 21,460.10, 32,195.12 and 6,668.21

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Solution

The fourth proportional to 21,460.10, 32,195.12 and 6,668.21 is: 10,003.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460.10 : 32,195.12 = 6,668.21 : x
  2. Step 2: Convert to fraction form
    21,460.10/32,195.12 = 6,668.21/x
  3. Step 3: Cross multiply
    21,460.10x = 32,195.12 × 6,668.21
  4. Step 4: Simplify right side
    21,460.10x = 214,683,868.28
  5. Step 5: Solve for x
    x = 214,683,868.28/21,460.10
  6. Step 6: Final answer
    x = 10,003.86

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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.