Home / 21,234.16-31,841.92-10,697.52

Finding the Fourth Proportional to 21,234.16, 31,841.92 and 10,697.52

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Solution

The fourth proportional to 21,234.16, 31,841.92 and 10,697.52 is: 16,041.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,234.16 : 31,841.92 = 10,697.52 : x
  2. Step 2: Convert to fraction form
    21,234.16/31,841.92 = 10,697.52/x
  3. Step 3: Cross multiply
    21,234.16x = 31,841.92 × 10,697.52
  4. Step 4: Simplify right side
    21,234.16x = 340,629,576.04
  5. Step 5: Solve for x
    x = 340,629,576.04/21,234.16
  6. Step 6: Final answer
    x = 16,041.58

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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.