Home / 21,442.14-32,130-10,896.12

Finding the Fourth Proportional to 21,442.14, 32,130 and 10,896.12

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Solution

The fourth proportional to 21,442.14, 32,130 and 10,896.12 is: 16,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,442.14 : 32,130 = 10,896.12 : x
  2. Step 2: Convert to fraction form
    21,442.14/32,130 = 10,896.12/x
  3. Step 3: Cross multiply
    21,442.14x = 32,130 × 10,896.12
  4. Step 4: Simplify right side
    21,442.14x = 350,092,335.60
  5. Step 5: Solve for x
    x = 350,092,335.60/21,442.14
  6. Step 6: Final answer
    x = 16,327.30

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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.