Home / 14,313.96-19,752.79-8,647.72

Finding the Fourth Proportional to 14,313.96, 19,752.79 and 8,647.72

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Solution

The fourth proportional to 14,313.96, 19,752.79 and 8,647.72 is: 11,933.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313.96 : 19,752.79 = 8,647.72 : x
  2. Step 2: Convert to fraction form
    14,313.96/19,752.79 = 8,647.72/x
  3. Step 3: Cross multiply
    14,313.96x = 19,752.79 × 8,647.72
  4. Step 4: Simplify right side
    14,313.96x = 170,816,597.14
  5. Step 5: Solve for x
    x = 170,816,597.14/14,313.96
  6. Step 6: Final answer
    x = 11,933.57

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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.