Home / 15,220.19-22,834.90-10,786.43

Finding the Fourth Proportional to 15,220.19, 22,834.90 and 10,786.43

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Solution

The fourth proportional to 15,220.19, 22,834.90 and 10,786.43 is: 16,182.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,220.19 : 22,834.90 = 10,786.43 : x
  2. Step 2: Convert to fraction form
    15,220.19/22,834.90 = 10,786.43/x
  3. Step 3: Cross multiply
    15,220.19x = 22,834.90 × 10,786.43
  4. Step 4: Simplify right side
    15,220.19x = 246,307,009.47
  5. Step 5: Solve for x
    x = 246,307,009.47/15,220.19
  6. Step 6: Final answer
    x = 16,182.91

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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.