Home / 18,902.98-26,085.69-10,520.26

Finding the Fourth Proportional to 18,902.98, 26,085.69 and 10,520.26

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Solution

The fourth proportional to 18,902.98, 26,085.69 and 10,520.26 is: 14,517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,902.98 : 26,085.69 = 10,520.26 : x
  2. Step 2: Convert to fraction form
    18,902.98/26,085.69 = 10,520.26/x
  3. Step 3: Cross multiply
    18,902.98x = 26,085.69 × 10,520.26
  4. Step 4: Simplify right side
    18,902.98x = 274,428,241.08
  5. Step 5: Solve for x
    x = 274,428,241.08/18,902.98
  6. Step 6: Final answer
    x = 14,517.72

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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.