Home / 21,102.24-31,655.04-7,062.34

Finding the Fourth Proportional to 21,102.24, 31,655.04 and 7,062.34

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Solution

The fourth proportional to 21,102.24, 31,655.04 and 7,062.34 is: 10,594.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,102.24 : 31,655.04 = 7,062.34 : x
  2. Step 2: Convert to fraction form
    21,102.24/31,655.04 = 7,062.34/x
  3. Step 3: Cross multiply
    21,102.24x = 31,655.04 × 7,062.34
  4. Step 4: Simplify right side
    21,102.24x = 223,558,619.88
  5. Step 5: Solve for x
    x = 223,558,619.88/21,102.24
  6. Step 6: Final answer
    x = 10,594.07

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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.