Home / 18,280.76-27,389.61-12,344.54

Finding the Fourth Proportional to 18,280.76, 27,389.61 and 12,344.54

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Solution

The fourth proportional to 18,280.76, 27,389.61 and 12,344.54 is: 18,495.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.76 : 27,389.61 = 12,344.54 : x
  2. Step 2: Convert to fraction form
    18,280.76/27,389.61 = 12,344.54/x
  3. Step 3: Cross multiply
    18,280.76x = 27,389.61 × 12,344.54
  4. Step 4: Simplify right side
    18,280.76x = 338,111,999.28
  5. Step 5: Solve for x
    x = 338,111,999.28/18,280.76
  6. Step 6: Final answer
    x = 18,495.52

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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.