Home / 20,554.46-28,364.70-11,601.74

Finding the Fourth Proportional to 20,554.46, 28,364.70 and 11,601.74

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Solution

The fourth proportional to 20,554.46, 28,364.70 and 11,601.74 is: 16,010.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554.46 : 28,364.70 = 11,601.74 : x
  2. Step 2: Convert to fraction form
    20,554.46/28,364.70 = 11,601.74/x
  3. Step 3: Cross multiply
    20,554.46x = 28,364.70 × 11,601.74
  4. Step 4: Simplify right side
    20,554.46x = 329,079,874.58
  5. Step 5: Solve for x
    x = 329,079,874.58/20,554.46
  6. Step 6: Final answer
    x = 16,010.14

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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.