Home / 8,703.36-13,047.12-3,154.32

Finding the Fourth Proportional to 8,703.36, 13,047.12 and 3,154.32

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Solution

The fourth proportional to 8,703.36, 13,047.12 and 3,154.32 is: 4,728.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.36 : 13,047.12 = 3,154.32 : x
  2. Step 2: Convert to fraction form
    8,703.36/13,047.12 = 3,154.32/x
  3. Step 3: Cross multiply
    8,703.36x = 13,047.12 × 3,154.32
  4. Step 4: Simplify right side
    8,703.36x = 41,154,791.56
  5. Step 5: Solve for x
    x = 41,154,791.56/8,703.36
  6. Step 6: Final answer
    x = 4,728.61

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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.