Home / 22,328.66-30,813.57-13,381.36

Finding the Fourth Proportional to 22,328.66, 30,813.57 and 13,381.36

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Solution

The fourth proportional to 22,328.66, 30,813.57 and 13,381.36 is: 18,466.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,328.66 : 30,813.57 = 13,381.36 : x
  2. Step 2: Convert to fraction form
    22,328.66/30,813.57 = 13,381.36/x
  3. Step 3: Cross multiply
    22,328.66x = 30,813.57 × 13,381.36
  4. Step 4: Simplify right side
    22,328.66x = 412,327,318.99
  5. Step 5: Solve for x
    x = 412,327,318.99/22,328.66
  6. Step 6: Final answer
    x = 18,466.28

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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.