Home / 10,153.14-14,013.15-6,120.69

Finding the Fourth Proportional to 10,153.14, 14,013.15 and 6,120.69

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Solution

The fourth proportional to 10,153.14, 14,013.15 and 6,120.69 is: 8,447.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,153.14 : 14,013.15 = 6,120.69 : x
  2. Step 2: Convert to fraction form
    10,153.14/14,013.15 = 6,120.69/x
  3. Step 3: Cross multiply
    10,153.14x = 14,013.15 × 6,120.69
  4. Step 4: Simplify right side
    10,153.14x = 85,770,147.07
  5. Step 5: Solve for x
    x = 85,770,147.07/10,153.14
  6. Step 6: Final answer
    x = 8,447.65

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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.