Home / 10,399.49-14,341.96-6,866.27

Finding the Fourth Proportional to 10,399.49, 14,341.96 and 6,866.27

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Solution

The fourth proportional to 10,399.49, 14,341.96 and 6,866.27 is: 9,469.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.49 : 14,341.96 = 6,866.27 : x
  2. Step 2: Convert to fraction form
    10,399.49/14,341.96 = 6,866.27/x
  3. Step 3: Cross multiply
    10,399.49x = 14,341.96 × 6,866.27
  4. Step 4: Simplify right side
    10,399.49x = 98,475,769.69
  5. Step 5: Solve for x
    x = 98,475,769.69/10,399.49
  6. Step 6: Final answer
    x = 9,469.29

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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.