Home / 18,155.52-25,056.24-10,199.70

Finding the Fourth Proportional to 18,155.52, 25,056.24 and 10,199.70

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Solution

The fourth proportional to 18,155.52, 25,056.24 and 10,199.70 is: 14,076.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.52 : 25,056.24 = 10,199.70 : x
  2. Step 2: Convert to fraction form
    18,155.52/25,056.24 = 10,199.70/x
  3. Step 3: Cross multiply
    18,155.52x = 25,056.24 × 10,199.70
  4. Step 4: Simplify right side
    18,155.52x = 255,566,131.13
  5. Step 5: Solve for x
    x = 255,566,131.13/18,155.52
  6. Step 6: Final answer
    x = 14,076.50

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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.