Home / 11,922.90-16,461.18-7,675.56

Finding the Fourth Proportional to 11,922.90, 16,461.18 and 7,675.56

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Solution

The fourth proportional to 11,922.90, 16,461.18 and 7,675.56 is: 10,597.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.90 : 16,461.18 = 7,675.56 : x
  2. Step 2: Convert to fraction form
    11,922.90/16,461.18 = 7,675.56/x
  3. Step 3: Cross multiply
    11,922.90x = 16,461.18 × 7,675.56
  4. Step 4: Simplify right side
    11,922.90x = 126,348,774.76
  5. Step 5: Solve for x
    x = 126,348,774.76/11,922.90
  6. Step 6: Final answer
    x = 10,597.15

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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.