Home / 18,056.28-24,923.93-12,409.72

Finding the Fourth Proportional to 18,056.28, 24,923.93 and 12,409.72

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Solution

The fourth proportional to 18,056.28, 24,923.93 and 12,409.72 is: 17,129.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,056.28 : 24,923.93 = 12,409.72 : x
  2. Step 2: Convert to fraction form
    18,056.28/24,923.93 = 12,409.72/x
  3. Step 3: Cross multiply
    18,056.28x = 24,923.93 × 12,409.72
  4. Step 4: Simplify right side
    18,056.28x = 309,298,992.60
  5. Step 5: Solve for x
    x = 309,298,992.60/18,056.28
  6. Step 6: Final answer
    x = 17,129.72

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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.