Home / 18,350.63-25,324.47-10,392.69

Finding the Fourth Proportional to 18,350.63, 25,324.47 and 10,392.69

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Solution

The fourth proportional to 18,350.63, 25,324.47 and 10,392.69 is: 14,342.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.63 : 25,324.47 = 10,392.69 : x
  2. Step 2: Convert to fraction form
    18,350.63/25,324.47 = 10,392.69/x
  3. Step 3: Cross multiply
    18,350.63x = 25,324.47 × 10,392.69
  4. Step 4: Simplify right side
    18,350.63x = 263,189,366.12
  5. Step 5: Solve for x
    x = 263,189,366.12/18,350.63
  6. Step 6: Final answer
    x = 14,342.25

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Half scale
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Double scale
Find fourth proportional to 18,351.63, 25,325.85 and 10,393.69
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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.