Home / 17,770.68-26,641.62-7,390.20

Finding the Fourth Proportional to 17,770.68, 26,641.62 and 7,390.20

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Solution

The fourth proportional to 17,770.68, 26,641.62 and 7,390.20 is: 11,079.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,770.68 : 26,641.62 = 7,390.20 : x
  2. Step 2: Convert to fraction form
    17,770.68/26,641.62 = 7,390.20/x
  3. Step 3: Cross multiply
    17,770.68x = 26,641.62 × 7,390.20
  4. Step 4: Simplify right side
    17,770.68x = 196,886,900.12
  5. Step 5: Solve for x
    x = 196,886,900.12/17,770.68
  6. Step 6: Final answer
    x = 11,079.31

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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.