Home / 17,878.37-26,826.19-7,356.15

Finding the Fourth Proportional to 17,878.37, 26,826.19 and 7,356.15

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Solution

The fourth proportional to 17,878.37, 26,826.19 and 7,356.15 is: 11,037.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,878.37 : 26,826.19 = 7,356.15 : x
  2. Step 2: Convert to fraction form
    17,878.37/26,826.19 = 7,356.15/x
  3. Step 3: Cross multiply
    17,878.37x = 26,826.19 × 7,356.15
  4. Step 4: Simplify right side
    17,878.37x = 197,337,459.18
  5. Step 5: Solve for x
    x = 197,337,459.18/17,878.37
  6. Step 6: Final answer
    x = 11,037.78

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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.