Home / 17,618.60-26,429.10-5,609.80

Finding the Fourth Proportional to 17,618.60, 26,429.10 and 5,609.80

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Solution

The fourth proportional to 17,618.60, 26,429.10 and 5,609.80 is: 8,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618.60 : 26,429.10 = 5,609.80 : x
  2. Step 2: Convert to fraction form
    17,618.60/26,429.10 = 5,609.80/x
  3. Step 3: Cross multiply
    17,618.60x = 26,429.10 × 5,609.80
  4. Step 4: Simplify right side
    17,618.60x = 148,261,965.18
  5. Step 5: Solve for x
    x = 148,261,965.18/17,618.60
  6. Step 6: Final answer
    x = 8,415.08

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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.