Home / 18,701.04-28,006.97-10,786.91

Finding the Fourth Proportional to 18,701.04, 28,006.97 and 10,786.91

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Solution

The fourth proportional to 18,701.04, 28,006.97 and 10,786.91 is: 16,154.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.04 : 28,006.97 = 10,786.91 : x
  2. Step 2: Convert to fraction form
    18,701.04/28,006.97 = 10,786.91/x
  3. Step 3: Cross multiply
    18,701.04x = 28,006.97 × 10,786.91
  4. Step 4: Simplify right side
    18,701.04x = 302,108,470.79
  5. Step 5: Solve for x
    x = 302,108,470.79/18,701.04
  6. Step 6: Final answer
    x = 16,154.63

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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.