Home / 19,616.29-27,076.41-13,332.31

Finding the Fourth Proportional to 19,616.29, 27,076.41 and 13,332.31

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Solution

The fourth proportional to 19,616.29, 27,076.41 and 13,332.31 is: 18,402.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.29 : 27,076.41 = 13,332.31 : x
  2. Step 2: Convert to fraction form
    19,616.29/27,076.41 = 13,332.31/x
  3. Step 3: Cross multiply
    19,616.29x = 27,076.41 × 13,332.31
  4. Step 4: Simplify right side
    19,616.29x = 360,991,091.81
  5. Step 5: Solve for x
    x = 360,991,091.81/19,616.29
  6. Step 6: Final answer
    x = 18,402.62

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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.