Home / 18,411.58-27,617.19-12,170.08

Finding the Fourth Proportional to 18,411.58, 27,617.19 and 12,170.08

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Solution

The fourth proportional to 18,411.58, 27,617.19 and 12,170.08 is: 18,255.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411.58 : 27,617.19 = 12,170.08 : x
  2. Step 2: Convert to fraction form
    18,411.58/27,617.19 = 12,170.08/x
  3. Step 3: Cross multiply
    18,411.58x = 27,617.19 × 12,170.08
  4. Step 4: Simplify right side
    18,411.58x = 336,103,411.68
  5. Step 5: Solve for x
    x = 336,103,411.68/18,411.58
  6. Step 6: Final answer
    x = 18,255.00

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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.