Home / 18,356.36-25,335.86-10,402.97

Finding the Fourth Proportional to 18,356.36, 25,335.86 and 10,402.97

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Solution

The fourth proportional to 18,356.36, 25,335.86 and 10,402.97 is: 14,358.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,356.36 : 25,335.86 = 10,402.97 : x
  2. Step 2: Convert to fraction form
    18,356.36/25,335.86 = 10,402.97/x
  3. Step 3: Cross multiply
    18,356.36x = 25,335.86 × 10,402.97
  4. Step 4: Simplify right side
    18,356.36x = 263,568,012.81
  5. Step 5: Solve for x
    x = 263,568,012.81/18,356.36
  6. Step 6: Final answer
    x = 14,358.41

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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.