Home / 18,315.29-27,453.76-8,461.04

Finding the Fourth Proportional to 18,315.29, 27,453.76 and 8,461.04

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Solution

The fourth proportional to 18,315.29, 27,453.76 and 8,461.04 is: 12,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,315.29 : 27,453.76 = 8,461.04 : x
  2. Step 2: Convert to fraction form
    18,315.29/27,453.76 = 8,461.04/x
  3. Step 3: Cross multiply
    18,315.29x = 27,453.76 × 8,461.04
  4. Step 4: Simplify right side
    18,315.29x = 232,287,203.09
  5. Step 5: Solve for x
    x = 232,287,203.09/18,315.29
  6. Step 6: Final answer
    x = 12,682.69

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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.