Home / 26,118.72-39,182.40-12,260.16

Finding the Fourth Proportional to 26,118.72, 39,182.40 and 12,260.16

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Solution

The fourth proportional to 26,118.72, 39,182.40 and 12,260.16 is: 18,392.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,118.72 : 39,182.40 = 12,260.16 : x
  2. Step 2: Convert to fraction form
    26,118.72/39,182.40 = 12,260.16/x
  3. Step 3: Cross multiply
    26,118.72x = 39,182.40 × 12,260.16
  4. Step 4: Simplify right side
    26,118.72x = 480,382,493.18
  5. Step 5: Solve for x
    x = 480,382,493.18/26,118.72
  6. Step 6: Final answer
    x = 18,392.27

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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.