Home / 21,460.80-32,193.60-6,669.60

Finding the Fourth Proportional to 21,460.80, 32,193.60 and 6,669.60

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Solution

The fourth proportional to 21,460.80, 32,193.60 and 6,669.60 is: 10,005.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460.80 : 32,193.60 = 6,669.60 : x
  2. Step 2: Convert to fraction form
    21,460.80/32,193.60 = 6,669.60/x
  3. Step 3: Cross multiply
    21,460.80x = 32,193.60 × 6,669.60
  4. Step 4: Simplify right side
    21,460.80x = 214,718,434.56
  5. Step 5: Solve for x
    x = 214,718,434.56/21,460.80
  6. Step 6: Final answer
    x = 10,005.15

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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.