Home / 18,337.55-25,305.09-10,381.43

Finding the Fourth Proportional to 18,337.55, 25,305.09 and 10,381.43

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Solution

The fourth proportional to 18,337.55, 25,305.09 and 10,381.43 is: 14,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.55 : 25,305.09 = 10,381.43 : x
  2. Step 2: Convert to fraction form
    18,337.55/25,305.09 = 10,381.43/x
  3. Step 3: Cross multiply
    18,337.55x = 25,305.09 × 10,381.43
  4. Step 4: Simplify right side
    18,337.55x = 262,702,893.95
  5. Step 5: Solve for x
    x = 262,702,893.95/18,337.55
  6. Step 6: Final answer
    x = 14,325.95

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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.