Home / 10,224.79-14,109.96-6,687.92

Finding the Fourth Proportional to 10,224.79, 14,109.96 and 6,687.92

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Solution

The fourth proportional to 10,224.79, 14,109.96 and 6,687.92 is: 9,229.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,224.79 : 14,109.96 = 6,687.92 : x
  2. Step 2: Convert to fraction form
    10,224.79/14,109.96 = 6,687.92/x
  3. Step 3: Cross multiply
    10,224.79x = 14,109.96 × 6,687.92
  4. Step 4: Simplify right side
    10,224.79x = 94,366,344.04
  5. Step 5: Solve for x
    x = 94,366,344.04/10,224.79
  6. Step 6: Final answer
    x = 9,229.17

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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.