Home / 21,461.10-32,196.62-6,669.21

Finding the Fourth Proportional to 21,461.10, 32,196.62 and 6,669.21

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Solution

The fourth proportional to 21,461.10, 32,196.62 and 6,669.21 is: 10,005.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,461.10 : 32,196.62 = 6,669.21 : x
  2. Step 2: Convert to fraction form
    21,461.10/32,196.62 = 6,669.21/x
  3. Step 3: Cross multiply
    21,461.10x = 32,196.62 × 6,669.21
  4. Step 4: Simplify right side
    21,461.10x = 214,726,020.07
  5. Step 5: Solve for x
    x = 214,726,020.07/21,461.10
  6. Step 6: Final answer
    x = 10,005.36

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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.