Home / 9,191.50-13,781.69-4,124.77

Finding the Fourth Proportional to 9,191.50, 13,781.69 and 4,124.77

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Solution

The fourth proportional to 9,191.50, 13,781.69 and 4,124.77 is: 6,184.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.50 : 13,781.69 = 4,124.77 : x
  2. Step 2: Convert to fraction form
    9,191.50/13,781.69 = 4,124.77/x
  3. Step 3: Cross multiply
    9,191.50x = 13,781.69 × 4,124.77
  4. Step 4: Simplify right side
    9,191.50x = 56,846,261.85
  5. Step 5: Solve for x
    x = 56,846,261.85/9,191.50
  6. Step 6: Final answer
    x = 6,184.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.