Home / 10,270.26-14,186.79-7,941.78

Finding the Fourth Proportional to 10,270.26, 14,186.79 and 7,941.78

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Solution

The fourth proportional to 10,270.26, 14,186.79 and 7,941.78 is: 10,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,270.26 : 14,186.79 = 7,941.78 : x
  2. Step 2: Convert to fraction form
    10,270.26/14,186.79 = 7,941.78/x
  3. Step 3: Cross multiply
    10,270.26x = 14,186.79 × 7,941.78
  4. Step 4: Simplify right side
    10,270.26x = 112,668,365.09
  5. Step 5: Solve for x
    x = 112,668,365.09/10,270.26
  6. Step 6: Final answer
    x = 10,970.35

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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.