Home / 18,339.31-25,323.76-11,636.83

Finding the Fourth Proportional to 18,339.31, 25,323.76 and 11,636.83

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Solution

The fourth proportional to 18,339.31, 25,323.76 and 11,636.83 is: 16,068.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.31 : 25,323.76 = 11,636.83 : x
  2. Step 2: Convert to fraction form
    18,339.31/25,323.76 = 11,636.83/x
  3. Step 3: Cross multiply
    18,339.31x = 25,323.76 × 11,636.83
  4. Step 4: Simplify right side
    18,339.31x = 294,688,105.28
  5. Step 5: Solve for x
    x = 294,688,105.28/18,339.31
  6. Step 6: Final answer
    x = 16,068.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.