Home / 18,485.96-25,510.58-10,102.44

Finding the Fourth Proportional to 18,485.96, 25,510.58 and 10,102.44

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Solution

The fourth proportional to 18,485.96, 25,510.58 and 10,102.44 is: 13,941.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485.96 : 25,510.58 = 10,102.44 : x
  2. Step 2: Convert to fraction form
    18,485.96/25,510.58 = 10,102.44/x
  3. Step 3: Cross multiply
    18,485.96x = 25,510.58 × 10,102.44
  4. Step 4: Simplify right side
    18,485.96x = 257,719,103.82
  5. Step 5: Solve for x
    x = 257,719,103.82/18,485.96
  6. Step 6: Final answer
    x = 13,941.34

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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.