Home / 16,395.47-22,786.20-16,220.51

Finding the Fourth Proportional to 16,395.47, 22,786.20 and 16,220.51

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Solution

The fourth proportional to 16,395.47, 22,786.20 and 16,220.51 is: 22,543.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,395.47 : 22,786.20 = 16,220.51 : x
  2. Step 2: Convert to fraction form
    16,395.47/22,786.20 = 16,220.51/x
  3. Step 3: Cross multiply
    16,395.47x = 22,786.20 × 16,220.51
  4. Step 4: Simplify right side
    16,395.47x = 369,603,784.96
  5. Step 5: Solve for x
    x = 369,603,784.96/16,395.47
  6. Step 6: Final answer
    x = 22,543.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.