Home / 13,935.71-19,230.01-8,269.48

Finding the Fourth Proportional to 13,935.71, 19,230.01 and 8,269.48

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Solution

The fourth proportional to 13,935.71, 19,230.01 and 8,269.48 is: 11,411.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.71 : 19,230.01 = 8,269.48 : x
  2. Step 2: Convert to fraction form
    13,935.71/19,230.01 = 8,269.48/x
  3. Step 3: Cross multiply
    13,935.71x = 19,230.01 × 8,269.48
  4. Step 4: Simplify right side
    13,935.71x = 159,022,183.09
  5. Step 5: Solve for x
    x = 159,022,183.09/13,935.71
  6. Step 6: Final answer
    x = 11,411.13

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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.