Home / 18,962.73-26,170.90-11,412.99

Finding the Fourth Proportional to 18,962.73, 26,170.90 and 11,412.99

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Solution

The fourth proportional to 18,962.73, 26,170.90 and 11,412.99 is: 15,751.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.73 : 26,170.90 = 11,412.99 : x
  2. Step 2: Convert to fraction form
    18,962.73/26,170.90 = 11,412.99/x
  3. Step 3: Cross multiply
    18,962.73x = 26,170.90 × 11,412.99
  4. Step 4: Simplify right side
    18,962.73x = 298,688,191.46
  5. Step 5: Solve for x
    x = 298,688,191.46/18,962.73
  6. Step 6: Final answer
    x = 15,751.33

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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.