Home / 18,622.16-25,699.84-10,238.64

Finding the Fourth Proportional to 18,622.16, 25,699.84 and 10,238.64

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Solution

The fourth proportional to 18,622.16, 25,699.84 and 10,238.64 is: 14,130.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.16 : 25,699.84 = 10,238.64 : x
  2. Step 2: Convert to fraction form
    18,622.16/25,699.84 = 10,238.64/x
  3. Step 3: Cross multiply
    18,622.16x = 25,699.84 × 10,238.64
  4. Step 4: Simplify right side
    18,622.16x = 263,131,409.82
  5. Step 5: Solve for x
    x = 263,131,409.82/18,622.16
  6. Step 6: Final answer
    x = 14,130.02

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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.