Home / 18,388.37-25,376.93-10,433.15

Finding the Fourth Proportional to 18,388.37, 25,376.93 and 10,433.15

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Solution

The fourth proportional to 18,388.37, 25,376.93 and 10,433.15 is: 14,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388.37 : 25,376.93 = 10,433.15 : x
  2. Step 2: Convert to fraction form
    18,388.37/25,376.93 = 10,433.15/x
  3. Step 3: Cross multiply
    18,388.37x = 25,376.93 × 10,433.15
  4. Step 4: Simplify right side
    18,388.37x = 264,761,317.23
  5. Step 5: Solve for x
    x = 264,761,317.23/18,388.37
  6. Step 6: Final answer
    x = 14,398.30

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Double scale
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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.