Home / 21,263.11-31,873.98-10,166.92

Finding the Fourth Proportional to 21,263.11, 31,873.98 and 10,166.92

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Solution

The fourth proportional to 21,263.11, 31,873.98 and 10,166.92 is: 15,240.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,263.11 : 31,873.98 = 10,166.92 : x
  2. Step 2: Convert to fraction form
    21,263.11/31,873.98 = 10,166.92/x
  3. Step 3: Cross multiply
    21,263.11x = 31,873.98 × 10,166.92
  4. Step 4: Simplify right side
    21,263.11x = 324,060,153.91
  5. Step 5: Solve for x
    x = 324,060,153.91/21,263.11
  6. Step 6: Final answer
    x = 15,240.49

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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.