Home / 13,937.92-19,234.64-7,650.32

Finding the Fourth Proportional to 13,937.92, 19,234.64 and 7,650.32

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Solution

The fourth proportional to 13,937.92, 19,234.64 and 7,650.32 is: 10,557.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.92 : 19,234.64 = 7,650.32 : x
  2. Step 2: Convert to fraction form
    13,937.92/19,234.64 = 7,650.32/x
  3. Step 3: Cross multiply
    13,937.92x = 19,234.64 × 7,650.32
  4. Step 4: Simplify right side
    13,937.92x = 147,151,151.08
  5. Step 5: Solve for x
    x = 147,151,151.08/13,937.92
  6. Step 6: Final answer
    x = 10,557.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.