Home / 22,352.81-30,845.34-13,395.83

Finding the Fourth Proportional to 22,352.81, 30,845.34 and 13,395.83

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Solution

The fourth proportional to 22,352.81, 30,845.34 and 13,395.83 is: 18,485.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,352.81 : 30,845.34 = 13,395.83 : x
  2. Step 2: Convert to fraction form
    22,352.81/30,845.34 = 13,395.83/x
  3. Step 3: Cross multiply
    22,352.81x = 30,845.34 × 13,395.83
  4. Step 4: Simplify right side
    22,352.81x = 413,198,776.71
  5. Step 5: Solve for x
    x = 413,198,776.71/22,352.81
  6. Step 6: Final answer
    x = 18,485.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.