Home / 10,154.14-14,014.53-6,121.69

Finding the Fourth Proportional to 10,154.14, 14,014.53 and 6,121.69

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Solution

The fourth proportional to 10,154.14, 14,014.53 and 6,121.69 is: 8,449.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.14 : 14,014.53 = 6,121.69 : x
  2. Step 2: Convert to fraction form
    10,154.14/14,014.53 = 6,121.69/x
  3. Step 3: Cross multiply
    10,154.14x = 14,014.53 × 6,121.69
  4. Step 4: Simplify right side
    10,154.14x = 85,792,608.16
  5. Step 5: Solve for x
    x = 85,792,608.16/10,154.14
  6. Step 6: Final answer
    x = 8,449.03

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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.