Home / 10,684.85-14,698.26-8,691.03

Finding the Fourth Proportional to 10,684.85, 14,698.26 and 8,691.03

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Solution

The fourth proportional to 10,684.85, 14,698.26 and 8,691.03 is: 11,955.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,684.85 : 14,698.26 = 8,691.03 : x
  2. Step 2: Convert to fraction form
    10,684.85/14,698.26 = 8,691.03/x
  3. Step 3: Cross multiply
    10,684.85x = 14,698.26 × 8,691.03
  4. Step 4: Simplify right side
    10,684.85x = 127,743,018.61
  5. Step 5: Solve for x
    x = 127,743,018.61/10,684.85
  6. Step 6: Final answer
    x = 11,955.53

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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.