Home / 17,619.60-26,429.40-11,398.80

Finding the Fourth Proportional to 17,619.60, 26,429.40 and 11,398.80

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Solution

The fourth proportional to 17,619.60, 26,429.40 and 11,398.80 is: 17,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619.60 : 26,429.40 = 11,398.80 : x
  2. Step 2: Convert to fraction form
    17,619.60/26,429.40 = 11,398.80/x
  3. Step 3: Cross multiply
    17,619.60x = 26,429.40 × 11,398.80
  4. Step 4: Simplify right side
    17,619.60x = 301,263,444.72
  5. Step 5: Solve for x
    x = 301,263,444.72/17,619.60
  6. Step 6: Final answer
    x = 17,098.20

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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.