Home / 22,121.48-30,527.46-12,049.80

Finding the Fourth Proportional to 22,121.48, 30,527.46 and 12,049.80

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Solution

The fourth proportional to 22,121.48, 30,527.46 and 12,049.80 is: 16,628.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,121.48 : 30,527.46 = 12,049.80 : x
  2. Step 2: Convert to fraction form
    22,121.48/30,527.46 = 12,049.80/x
  3. Step 3: Cross multiply
    22,121.48x = 30,527.46 × 12,049.80
  4. Step 4: Simplify right side
    22,121.48x = 367,849,787.51
  5. Step 5: Solve for x
    x = 367,849,787.51/22,121.48
  6. Step 6: Final answer
    x = 16,628.62

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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.