Home / 21,460.38-32,192.66-6,665.32

Finding the Fourth Proportional to 21,460.38, 32,192.66 and 6,665.32

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Solution

The fourth proportional to 21,460.38, 32,192.66 and 6,665.32 is: 9,998.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460.38 : 32,192.66 = 6,665.32 : x
  2. Step 2: Convert to fraction form
    21,460.38/32,192.66 = 6,665.32/x
  3. Step 3: Cross multiply
    21,460.38x = 32,192.66 × 6,665.32
  4. Step 4: Simplify right side
    21,460.38x = 214,574,380.55
  5. Step 5: Solve for x
    x = 214,574,380.55/21,460.38
  6. Step 6: Final answer
    x = 9,998.63

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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.