Home / 13,943.23-20,925.17-7,708.61

Finding the Fourth Proportional to 13,943.23, 20,925.17 and 7,708.61

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Solution

The fourth proportional to 13,943.23, 20,925.17 and 7,708.61 is: 11,568.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.23 : 20,925.17 = 7,708.61 : x
  2. Step 2: Convert to fraction form
    13,943.23/20,925.17 = 7,708.61/x
  3. Step 3: Cross multiply
    13,943.23x = 20,925.17 × 7,708.61
  4. Step 4: Simplify right side
    13,943.23x = 161,303,922.40
  5. Step 5: Solve for x
    x = 161,303,922.40/13,943.23
  6. Step 6: Final answer
    x = 11,568.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.