Home / 11,356.40-17,015.70-8,232.50

Finding the Fourth Proportional to 11,356.40, 17,015.70 and 8,232.50

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Solution

The fourth proportional to 11,356.40, 17,015.70 and 8,232.50 is: 12,335.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356.40 : 17,015.70 = 8,232.50 : x
  2. Step 2: Convert to fraction form
    11,356.40/17,015.70 = 8,232.50/x
  3. Step 3: Cross multiply
    11,356.40x = 17,015.70 × 8,232.50
  4. Step 4: Simplify right side
    11,356.40x = 140,081,750.25
  5. Step 5: Solve for x
    x = 140,081,750.25/11,356.40
  6. Step 6: Final answer
    x = 12,335.05

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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.