Home / 13,935.48-19,230.32-7,647.96

Finding the Fourth Proportional to 13,935.48, 19,230.32 and 7,647.96

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Solution

The fourth proportional to 13,935.48, 19,230.32 and 7,647.96 is: 10,553.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.48 : 19,230.32 = 7,647.96 : x
  2. Step 2: Convert to fraction form
    13,935.48/19,230.32 = 7,647.96/x
  3. Step 3: Cross multiply
    13,935.48x = 19,230.32 × 7,647.96
  4. Step 4: Simplify right side
    13,935.48x = 147,072,718.15
  5. Step 5: Solve for x
    x = 147,072,718.15/13,935.48
  6. Step 6: Final answer
    x = 10,553.83

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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.