Home / 14,656.80-20,235.56-11,293.23

Finding the Fourth Proportional to 14,656.80, 20,235.56 and 11,293.23

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Solution

The fourth proportional to 14,656.80, 20,235.56 and 11,293.23 is: 15,591.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,656.80 : 20,235.56 = 11,293.23 : x
  2. Step 2: Convert to fraction form
    14,656.80/20,235.56 = 11,293.23/x
  3. Step 3: Cross multiply
    14,656.80x = 20,235.56 × 11,293.23
  4. Step 4: Simplify right side
    14,656.80x = 228,524,776.79
  5. Step 5: Solve for x
    x = 228,524,776.79/14,656.80
  6. Step 6: Final answer
    x = 15,591.72

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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.