Home / 18,213.98-25,133.43-13,436.52

Finding the Fourth Proportional to 18,213.98, 25,133.43 and 13,436.52

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Solution

The fourth proportional to 18,213.98, 25,133.43 and 13,436.52 is: 18,541.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.98 : 25,133.43 = 13,436.52 : x
  2. Step 2: Convert to fraction form
    18,213.98/25,133.43 = 13,436.52/x
  3. Step 3: Cross multiply
    18,213.98x = 25,133.43 × 13,436.52
  4. Step 4: Simplify right side
    18,213.98x = 337,705,834.86
  5. Step 5: Solve for x
    x = 337,705,834.86/18,213.98
  6. Step 6: Final answer
    x = 18,541.03

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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.