Home / 22,235.29-30,684.66-13,288.03

Finding the Fourth Proportional to 22,235.29, 30,684.66 and 13,288.03

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Solution

The fourth proportional to 22,235.29, 30,684.66 and 13,288.03 is: 18,337.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,235.29 : 30,684.66 = 13,288.03 : x
  2. Step 2: Convert to fraction form
    22,235.29/30,684.66 = 13,288.03/x
  3. Step 3: Cross multiply
    22,235.29x = 30,684.66 × 13,288.03
  4. Step 4: Simplify right side
    22,235.29x = 407,738,682.62
  5. Step 5: Solve for x
    x = 407,738,682.62/22,235.29
  6. Step 6: Final answer
    x = 18,337.46

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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.