Home / 17,260.56-25,891.40-4,780.70

Finding the Fourth Proportional to 17,260.56, 25,891.40 and 4,780.70

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Solution

The fourth proportional to 17,260.56, 25,891.40 and 4,780.70 is: 7,171.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,260.56 : 25,891.40 = 4,780.70 : x
  2. Step 2: Convert to fraction form
    17,260.56/25,891.40 = 4,780.70/x
  3. Step 3: Cross multiply
    17,260.56x = 25,891.40 × 4,780.70
  4. Step 4: Simplify right side
    17,260.56x = 123,779,089.95
  5. Step 5: Solve for x
    x = 123,779,089.95/17,260.56
  6. Step 6: Final answer
    x = 7,171.21

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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.