Home / 10,217.07-14,108.78-6,446.93

Finding the Fourth Proportional to 10,217.07, 14,108.78 and 6,446.93

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Solution

The fourth proportional to 10,217.07, 14,108.78 and 6,446.93 is: 8,902.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.07 : 14,108.78 = 6,446.93 : x
  2. Step 2: Convert to fraction form
    10,217.07/14,108.78 = 6,446.93/x
  3. Step 3: Cross multiply
    10,217.07x = 14,108.78 × 6,446.93
  4. Step 4: Simplify right side
    10,217.07x = 90,958,214.27
  5. Step 5: Solve for x
    x = 90,958,214.27/10,217.07
  6. Step 6: Final answer
    x = 8,902.57

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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.