Home / 18,341.40-27,512.10-5,193.60

Finding the Fourth Proportional to 18,341.40, 27,512.10 and 5,193.60

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Solution

The fourth proportional to 18,341.40, 27,512.10 and 5,193.60 is: 7,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.40 : 27,512.10 = 5,193.60 : x
  2. Step 2: Convert to fraction form
    18,341.40/27,512.10 = 5,193.60/x
  3. Step 3: Cross multiply
    18,341.40x = 27,512.10 × 5,193.60
  4. Step 4: Simplify right side
    18,341.40x = 142,886,842.56
  5. Step 5: Solve for x
    x = 142,886,842.56/18,341.40
  6. Step 6: Final answer
    x = 7,790.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.