Home / 14,554.72-20,104.08-10,784.80

Finding the Fourth Proportional to 14,554.72, 20,104.08 and 10,784.80

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Solution

The fourth proportional to 14,554.72, 20,104.08 and 10,784.80 is: 14,896.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,554.72 : 20,104.08 = 10,784.80 : x
  2. Step 2: Convert to fraction form
    14,554.72/20,104.08 = 10,784.80/x
  3. Step 3: Cross multiply
    14,554.72x = 20,104.08 × 10,784.80
  4. Step 4: Simplify right side
    14,554.72x = 216,818,481.98
  5. Step 5: Solve for x
    x = 216,818,481.98/14,554.72
  6. Step 6: Final answer
    x = 14,896.78

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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.