Home / 15,879.06-23,801.31-11,956.50

Finding the Fourth Proportional to 15,879.06, 23,801.31 and 11,956.50

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Solution

The fourth proportional to 15,879.06, 23,801.31 and 11,956.50 is: 17,921.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,879.06 : 23,801.31 = 11,956.50 : x
  2. Step 2: Convert to fraction form
    15,879.06/23,801.31 = 11,956.50/x
  3. Step 3: Cross multiply
    15,879.06x = 23,801.31 × 11,956.50
  4. Step 4: Simplify right side
    15,879.06x = 284,580,363.02
  5. Step 5: Solve for x
    x = 284,580,363.02/15,879.06
  6. Step 6: Final answer
    x = 17,921.74

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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.