Home / 17,618.19-24,345.31-12,829.80

Finding the Fourth Proportional to 17,618.19, 24,345.31 and 12,829.80

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Solution

The fourth proportional to 17,618.19, 24,345.31 and 12,829.80 is: 17,728.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618.19 : 24,345.31 = 12,829.80 : x
  2. Step 2: Convert to fraction form
    17,618.19/24,345.31 = 12,829.80/x
  3. Step 3: Cross multiply
    17,618.19x = 24,345.31 × 12,829.80
  4. Step 4: Simplify right side
    17,618.19x = 312,345,370.34
  5. Step 5: Solve for x
    x = 312,345,370.34/17,618.19
  6. Step 6: Final answer
    x = 17,728.58

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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.