Home / 13,999.91-19,313.96-9,275.99

Finding the Fourth Proportional to 13,999.91, 19,313.96 and 9,275.99

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Solution

The fourth proportional to 13,999.91, 19,313.96 and 9,275.99 is: 12,796.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.91 : 19,313.96 = 9,275.99 : x
  2. Step 2: Convert to fraction form
    13,999.91/19,313.96 = 9,275.99/x
  3. Step 3: Cross multiply
    13,999.91x = 19,313.96 × 9,275.99
  4. Step 4: Simplify right side
    13,999.91x = 179,155,956.87
  5. Step 5: Solve for x
    x = 179,155,956.87/13,999.91
  6. Step 6: Final answer
    x = 12,796.94

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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.