Home / 18,143.58-25,037.93-10,185.60

Finding the Fourth Proportional to 18,143.58, 25,037.93 and 10,185.60

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Solution

The fourth proportional to 18,143.58, 25,037.93 and 10,185.60 is: 14,056.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143.58 : 25,037.93 = 10,185.60 : x
  2. Step 2: Convert to fraction form
    18,143.58/25,037.93 = 10,185.60/x
  3. Step 3: Cross multiply
    18,143.58x = 25,037.93 × 10,185.60
  4. Step 4: Simplify right side
    18,143.58x = 255,026,365.27
  5. Step 5: Solve for x
    x = 255,026,365.27/18,143.58
  6. Step 6: Final answer
    x = 14,056.01

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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.