Home / 18,252.10-27,328.23-12,693.70

Finding the Fourth Proportional to 18,252.10, 27,328.23 and 12,693.70

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Solution

The fourth proportional to 18,252.10, 27,328.23 and 12,693.70 is: 19,005.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,252.10 : 27,328.23 = 12,693.70 : x
  2. Step 2: Convert to fraction form
    18,252.10/27,328.23 = 12,693.70/x
  3. Step 3: Cross multiply
    18,252.10x = 27,328.23 × 12,693.70
  4. Step 4: Simplify right side
    18,252.10x = 346,896,353.15
  5. Step 5: Solve for x
    x = 346,896,353.15/18,252.10
  6. Step 6: Final answer
    x = 19,005.83

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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.