Home / 15,905.10-23,826.37-7,998.06

Finding the Fourth Proportional to 15,905.10, 23,826.37 and 7,998.06

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Solution

The fourth proportional to 15,905.10, 23,826.37 and 7,998.06 is: 11,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,905.10 : 23,826.37 = 7,998.06 : x
  2. Step 2: Convert to fraction form
    15,905.10/23,826.37 = 7,998.06/x
  3. Step 3: Cross multiply
    15,905.10x = 23,826.37 × 7,998.06
  4. Step 4: Simplify right side
    15,905.10x = 190,564,736.84
  5. Step 5: Solve for x
    x = 190,564,736.84/15,905.10
  6. Step 6: Final answer
    x = 11,981.36

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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.