Home / 18,485.42-25,509.78-10,101.92

Finding the Fourth Proportional to 18,485.42, 25,509.78 and 10,101.92

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Solution

The fourth proportional to 18,485.42, 25,509.78 and 10,101.92 is: 13,940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485.42 : 25,509.78 = 10,101.92 : x
  2. Step 2: Convert to fraction form
    18,485.42/25,509.78 = 10,101.92/x
  3. Step 3: Cross multiply
    18,485.42x = 25,509.78 × 10,101.92
  4. Step 4: Simplify right side
    18,485.42x = 257,697,756.78
  5. Step 5: Solve for x
    x = 257,697,756.78/18,485.42
  6. Step 6: Final answer
    x = 13,940.60

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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.