Home / 17,879.08-26,803.40-7,876.32

Finding the Fourth Proportional to 17,879.08, 26,803.40 and 7,876.32

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Solution

The fourth proportional to 17,879.08, 26,803.40 and 7,876.32 is: 11,807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,879.08 : 26,803.40 = 7,876.32 : x
  2. Step 2: Convert to fraction form
    17,879.08/26,803.40 = 7,876.32/x
  3. Step 3: Cross multiply
    17,879.08x = 26,803.40 × 7,876.32
  4. Step 4: Simplify right side
    17,879.08x = 211,112,155.49
  5. Step 5: Solve for x
    x = 211,112,155.49/17,879.08
  6. Step 6: Final answer
    x = 11,807.78

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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.