Home / 22,270.51-33,395.34-12,913.20

Finding the Fourth Proportional to 22,270.51, 33,395.34 and 12,913.20

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Solution

The fourth proportional to 22,270.51, 33,395.34 and 12,913.20 is: 19,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,270.51 : 33,395.34 = 12,913.20 : x
  2. Step 2: Convert to fraction form
    22,270.51/33,395.34 = 12,913.20/x
  3. Step 3: Cross multiply
    22,270.51x = 33,395.34 × 12,913.20
  4. Step 4: Simplify right side
    22,270.51x = 431,240,704.49
  5. Step 5: Solve for x
    x = 431,240,704.49/22,270.51
  6. Step 6: Final answer
    x = 19,363.76

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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.