Home / 17,765.42-26,645.70-5,287.37

Finding the Fourth Proportional to 17,765.42, 26,645.70 and 5,287.37

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Solution

The fourth proportional to 17,765.42, 26,645.70 and 5,287.37 is: 7,930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,765.42 : 26,645.70 = 5,287.37 : x
  2. Step 2: Convert to fraction form
    17,765.42/26,645.70 = 5,287.37/x
  3. Step 3: Cross multiply
    17,765.42x = 26,645.70 × 5,287.37
  4. Step 4: Simplify right side
    17,765.42x = 140,885,674.81
  5. Step 5: Solve for x
    x = 140,885,674.81/17,765.42
  6. Step 6: Final answer
    x = 7,930.33

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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.