Home / 10,709.17-14,780.21-6,170.97

Finding the Fourth Proportional to 10,709.17, 14,780.21 and 6,170.97

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Solution

The fourth proportional to 10,709.17, 14,780.21 and 6,170.97 is: 8,516.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709.17 : 14,780.21 = 6,170.97 : x
  2. Step 2: Convert to fraction form
    10,709.17/14,780.21 = 6,170.97/x
  3. Step 3: Cross multiply
    10,709.17x = 14,780.21 × 6,170.97
  4. Step 4: Simplify right side
    10,709.17x = 91,208,127.75
  5. Step 5: Solve for x
    x = 91,208,127.75/10,709.17
  6. Step 6: Final answer
    x = 8,516.83

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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.