Home / 21,124.13-31,697.12-10,735.88

Finding the Fourth Proportional to 21,124.13, 31,697.12 and 10,735.88

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Solution

The fourth proportional to 21,124.13, 31,697.12 and 10,735.88 is: 16,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,124.13 : 31,697.12 = 10,735.88 : x
  2. Step 2: Convert to fraction form
    21,124.13/31,697.12 = 10,735.88/x
  3. Step 3: Cross multiply
    21,124.13x = 31,697.12 × 10,735.88
  4. Step 4: Simplify right side
    21,124.13x = 340,296,345.02
  5. Step 5: Solve for x
    x = 340,296,345.02/21,124.13
  6. Step 6: Final answer
    x = 16,109.37

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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.