Home / 8,735.40-13,072.32-7,156.44

Finding the Fourth Proportional to 8,735.40, 13,072.32 and 7,156.44

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Solution

The fourth proportional to 8,735.40, 13,072.32 and 7,156.44 is: 10,709.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.40 : 13,072.32 = 7,156.44 : x
  2. Step 2: Convert to fraction form
    8,735.40/13,072.32 = 7,156.44/x
  3. Step 3: Cross multiply
    8,735.40x = 13,072.32 × 7,156.44
  4. Step 4: Simplify right side
    8,735.40x = 93,551,273.74
  5. Step 5: Solve for x
    x = 93,551,273.74/8,735.40
  6. Step 6: Final answer
    x = 10,709.44

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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.