Home / 11,381.73-15,701.21-7,605.83

Finding the Fourth Proportional to 11,381.73, 15,701.21 and 7,605.83

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Solution

The fourth proportional to 11,381.73, 15,701.21 and 7,605.83 is: 10,492.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,381.73 : 15,701.21 = 7,605.83 : x
  2. Step 2: Convert to fraction form
    11,381.73/15,701.21 = 7,605.83/x
  3. Step 3: Cross multiply
    11,381.73x = 15,701.21 × 7,605.83
  4. Step 4: Simplify right side
    11,381.73x = 119,420,674.56
  5. Step 5: Solve for x
    x = 119,420,674.56/11,381.73
  6. Step 6: Final answer
    x = 10,492.31

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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.