Home / 18,630.68-27,946.78-5,981.72

Finding the Fourth Proportional to 18,630.68, 27,946.78 and 5,981.72

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Solution

The fourth proportional to 18,630.68, 27,946.78 and 5,981.72 is: 8,972.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630.68 : 27,946.78 = 5,981.72 : x
  2. Step 2: Convert to fraction form
    18,630.68/27,946.78 = 5,981.72/x
  3. Step 3: Cross multiply
    18,630.68x = 27,946.78 × 5,981.72
  4. Step 4: Simplify right side
    18,630.68x = 167,169,812.86
  5. Step 5: Solve for x
    x = 167,169,812.86/18,630.68
  6. Step 6: Final answer
    x = 8,972.82

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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.