Home / 14,176.98-19,561.83-8,207.61

Finding the Fourth Proportional to 14,176.98, 19,561.83 and 8,207.61

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Solution

The fourth proportional to 14,176.98, 19,561.83 and 8,207.61 is: 11,325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.98 : 19,561.83 = 8,207.61 : x
  2. Step 2: Convert to fraction form
    14,176.98/19,561.83 = 8,207.61/x
  3. Step 3: Cross multiply
    14,176.98x = 19,561.83 × 8,207.61
  4. Step 4: Simplify right side
    14,176.98x = 160,555,871.53
  5. Step 5: Solve for x
    x = 160,555,871.53/14,176.98
  6. Step 6: Final answer
    x = 11,325.11

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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.