Home / 17,780.36-26,641.32-6,087.20

Finding the Fourth Proportional to 17,780.36, 26,641.32 and 6,087.20

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Solution

The fourth proportional to 17,780.36, 26,641.32 and 6,087.20 is: 9,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,780.36 : 26,641.32 = 6,087.20 : x
  2. Step 2: Convert to fraction form
    17,780.36/26,641.32 = 6,087.20/x
  3. Step 3: Cross multiply
    17,780.36x = 26,641.32 × 6,087.20
  4. Step 4: Simplify right side
    17,780.36x = 162,171,043.10
  5. Step 5: Solve for x
    x = 162,171,043.10/17,780.36
  6. Step 6: Final answer
    x = 9,120.80

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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.