Home / 17,519.40-26,279.10-13,602.60

Finding the Fourth Proportional to 17,519.40, 26,279.10 and 13,602.60

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Solution

The fourth proportional to 17,519.40, 26,279.10 and 13,602.60 is: 20,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,519.40 : 26,279.10 = 13,602.60 : x
  2. Step 2: Convert to fraction form
    17,519.40/26,279.10 = 13,602.60/x
  3. Step 3: Cross multiply
    17,519.40x = 26,279.10 × 13,602.60
  4. Step 4: Simplify right side
    17,519.40x = 357,464,085.66
  5. Step 5: Solve for x
    x = 357,464,085.66/17,519.40
  6. Step 6: Final answer
    x = 20,403.90

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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.