Home / 15,551.55-23,291.82-12,212.19

Finding the Fourth Proportional to 15,551.55, 23,291.82 and 12,212.19

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Solution

The fourth proportional to 15,551.55, 23,291.82 and 12,212.19 is: 18,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551.55 : 23,291.82 = 12,212.19 : x
  2. Step 2: Convert to fraction form
    15,551.55/23,291.82 = 12,212.19/x
  3. Step 3: Cross multiply
    15,551.55x = 23,291.82 × 12,212.19
  4. Step 4: Simplify right side
    15,551.55x = 284,444,131.29
  5. Step 5: Solve for x
    x = 284,444,131.29/15,551.55
  6. Step 6: Final answer
    x = 18,290.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.