Home / 17,346.80-26,027.40-12,447.92

Finding the Fourth Proportional to 17,346.80, 26,027.40 and 12,447.92

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Solution

The fourth proportional to 17,346.80, 26,027.40 and 12,447.92 is: 18,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,346.80 : 26,027.40 = 12,447.92 : x
  2. Step 2: Convert to fraction form
    17,346.80/26,027.40 = 12,447.92/x
  3. Step 3: Cross multiply
    17,346.80x = 26,027.40 × 12,447.92
  4. Step 4: Simplify right side
    17,346.80x = 323,986,993.01
  5. Step 5: Solve for x
    x = 323,986,993.01/17,346.80
  6. Step 6: Final answer
    x = 18,677.05

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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.