Home / 18,463.55-25,477.94-11,388.60

Finding the Fourth Proportional to 18,463.55, 25,477.94 and 11,388.60

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Solution

The fourth proportional to 18,463.55, 25,477.94 and 11,388.60 is: 15,715.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,463.55 : 25,477.94 = 11,388.60 : x
  2. Step 2: Convert to fraction form
    18,463.55/25,477.94 = 11,388.60/x
  3. Step 3: Cross multiply
    18,463.55x = 25,477.94 × 11,388.60
  4. Step 4: Simplify right side
    18,463.55x = 290,158,095.96
  5. Step 5: Solve for x
    x = 290,158,095.96/18,463.55
  6. Step 6: Final answer
    x = 15,715.19

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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.