Home / 18,203.77-25,123.62-10,247.56

Finding the Fourth Proportional to 18,203.77, 25,123.62 and 10,247.56

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Solution

The fourth proportional to 18,203.77, 25,123.62 and 10,247.56 is: 14,142.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203.77 : 25,123.62 = 10,247.56 : x
  2. Step 2: Convert to fraction form
    18,203.77/25,123.62 = 10,247.56/x
  3. Step 3: Cross multiply
    18,203.77x = 25,123.62 × 10,247.56
  4. Step 4: Simplify right side
    18,203.77x = 257,455,803.37
  5. Step 5: Solve for x
    x = 257,455,803.37/18,203.77
  6. Step 6: Final answer
    x = 14,142.99

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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.