Home / 15,982.46-22,056.75-8,908.87

Finding the Fourth Proportional to 15,982.46, 22,056.75 and 8,908.87

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Solution

The fourth proportional to 15,982.46, 22,056.75 and 8,908.87 is: 12,294.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.46 : 22,056.75 = 8,908.87 : x
  2. Step 2: Convert to fraction form
    15,982.46/22,056.75 = 8,908.87/x
  3. Step 3: Cross multiply
    15,982.46x = 22,056.75 × 8,908.87
  4. Step 4: Simplify right side
    15,982.46x = 196,500,718.37
  5. Step 5: Solve for x
    x = 196,500,718.37/15,982.46
  6. Step 6: Final answer
    x = 12,294.77

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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.