Home / 17,765.80-26,670.30-13,348.60

Finding the Fourth Proportional to 17,765.80, 26,670.30 and 13,348.60

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Solution

The fourth proportional to 17,765.80, 26,670.30 and 13,348.60 is: 20,039.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,765.80 : 26,670.30 = 13,348.60 : x
  2. Step 2: Convert to fraction form
    17,765.80/26,670.30 = 13,348.60/x
  3. Step 3: Cross multiply
    17,765.80x = 26,670.30 × 13,348.60
  4. Step 4: Simplify right side
    17,765.80x = 356,011,166.58
  5. Step 5: Solve for x
    x = 356,011,166.58/17,765.80
  6. Step 6: Final answer
    x = 20,039.13

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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.