Home / 14,771.52-20,370.96-11,409.30

Finding the Fourth Proportional to 14,771.52, 20,370.96 and 11,409.30

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Solution

The fourth proportional to 14,771.52, 20,370.96 and 11,409.30 is: 15,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.52 : 20,370.96 = 11,409.30 : x
  2. Step 2: Convert to fraction form
    14,771.52/20,370.96 = 11,409.30/x
  3. Step 3: Cross multiply
    14,771.52x = 20,370.96 × 11,409.30
  4. Step 4: Simplify right side
    14,771.52x = 232,418,393.93
  5. Step 5: Solve for x
    x = 232,418,393.93/14,771.52
  6. Step 6: Final answer
    x = 15,734.22

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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.