Home / 18,440.48-27,650.40-12,604.16

Finding the Fourth Proportional to 18,440.48, 27,650.40 and 12,604.16

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Solution

The fourth proportional to 18,440.48, 27,650.40 and 12,604.16 is: 18,899.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.48 : 27,650.40 = 12,604.16 : x
  2. Step 2: Convert to fraction form
    18,440.48/27,650.40 = 12,604.16/x
  3. Step 3: Cross multiply
    18,440.48x = 27,650.40 × 12,604.16
  4. Step 4: Simplify right side
    18,440.48x = 348,510,065.66
  5. Step 5: Solve for x
    x = 348,510,065.66/18,440.48
  6. Step 6: Final answer
    x = 18,899.19

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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.