Home / 21,192.48-31,768.08-10,096.20

Finding the Fourth Proportional to 21,192.48, 31,768.08 and 10,096.20

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Solution

The fourth proportional to 21,192.48, 31,768.08 and 10,096.20 is: 15,134.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192.48 : 31,768.08 = 10,096.20 : x
  2. Step 2: Convert to fraction form
    21,192.48/31,768.08 = 10,096.20/x
  3. Step 3: Cross multiply
    21,192.48x = 31,768.08 × 10,096.20
  4. Step 4: Simplify right side
    21,192.48x = 320,736,889.30
  5. Step 5: Solve for x
    x = 320,736,889.30/21,192.48
  6. Step 6: Final answer
    x = 15,134.47

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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.