Home / 21,932.47-30,267.06-11,861.11

Finding the Fourth Proportional to 21,932.47, 30,267.06 and 11,861.11

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Solution

The fourth proportional to 21,932.47, 30,267.06 and 11,861.11 is: 16,368.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932.47 : 30,267.06 = 11,861.11 : x
  2. Step 2: Convert to fraction form
    21,932.47/30,267.06 = 11,861.11/x
  3. Step 3: Cross multiply
    21,932.47x = 30,267.06 × 11,861.11
  4. Step 4: Simplify right side
    21,932.47x = 359,000,928.04
  5. Step 5: Solve for x
    x = 359,000,928.04/21,932.47
  6. Step 6: Final answer
    x = 16,368.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.