Home / 21,125.63-31,687.22-6,334.83

Finding the Fourth Proportional to 21,125.63, 31,687.22 and 6,334.83

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Solution

The fourth proportional to 21,125.63, 31,687.22 and 6,334.83 is: 9,501.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,125.63 : 31,687.22 = 6,334.83 : x
  2. Step 2: Convert to fraction form
    21,125.63/31,687.22 = 6,334.83/x
  3. Step 3: Cross multiply
    21,125.63x = 31,687.22 × 6,334.83
  4. Step 4: Simplify right side
    21,125.63x = 200,733,167.71
  5. Step 5: Solve for x
    x = 200,733,167.71/21,125.63
  6. Step 6: Final answer
    x = 9,501.88

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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.